| I Am | Theatre | 21 | 02/08 11:30 | 24/08 11:30 | | |
| I Am | Theatre | 4 | 03/08 15:15 | 09/08 15:15 | | |
| I Am Mark | Spoken Word | 5 | 13/08 17:30 | 17/08 17:30 | | |
| I Am Not Marilyn | Cabaret and Variety | 15 | 02/08 15:55 | 17/08 15:55 | | |
| I Am the Horrible Thing | Theatre | 4 | 01/08 11:00 | 08/08 11:00 | | |
| I Believe In Unicorns by Michael Morpurgo | Children's Shows | 25 | 01/08 10:30 | 26/08 12:30 | | |
| I Can Cure... (With Subtext) | Comedy | 22 | 03/08 13:35 | 24/08 13:35 | | |
| I Can Make You Fail Slightly Less | Spoken Word | 25 | 02/08 17:20 | 26/08 17:20 | | |
| I Don't Want to Talk About It | Theatre | 5 | 12/08 13:00 | 16/08 13:00 | | |
| I Fahrt Berlin: The Journey Continues | Comedy | 25 | 01/08 16:35 | 25/08 16:35 | | |
| I Hate Children Children's Show | Children's Shows | 21 | 02/08 12:10 | 24/08 13:25 | | |
| I Lost My Virginity to Chopin's Nocturne in B-Flat Minor | Theatre | 26 | 01/08 15:00 | 26/08 15:00 | | |
| I Piano | Children's Shows | 5 | 07/08 15:00 | 11/08 15:00 | | |
| I Pilgrim | Theatre | 8 | 02/08 17:05 | 10/08 17:05 | | |
| I Predict a Wyatt! | Comedy | 21 | 03/08 18:15 | 24/08 18:15 | | |
| I Run | Theatre | 23 | 01/08 13:55 | 26/08 13:55 | | |
| I Swallowed a Moon Made of Iron | Theatre | 18 | 06/08 22:00 | 25/08 22:00 | | |
| I Think I Might Be... New Romantic! | Comedy | 3 | 15/08 13:00 | 17/08 13:00 | | |
| I Want an Irish Passport | Comedy | 24 | 01/08 14:35 | 25/08 14:35 | | |
| I Went to Barcelona and All I Got Was This Lousy Comedy Show | Comedy | 8 | 19/08 22:00 | 26/08 22:00 | | |
| I Wish My Life Were Like A Musical | Musicals and Opera | 26 | 01/08 20:45 | 26/08 20:45 | | |
| I'll Be Broken Home for Christmas with Jeffrey Baldinger | Comedy | 24 | 02/08 21:15 | 25/08 21:15 | | |
| I'll Take You to Mrs Cole! | Children's Shows | 24 | 02/08 13:45 | 26/08 13:45 | | |
| I'll Tell You This for Nothing | Theatre | 22 | 01/08 11:30 | 25/08 11:30 | | |
| I'm Coming | Comedy | 23 | 02/08 17:30 | 25/08 17:30 | | |
| I'm Here, All Weak | Comedy | 25 | 01/08 15:00 | 25/08 15:00 | | |
| I'm Non-Typical, Typical | Dance Physical Theatre and Circus | 8 | 03/08 18:40 | 10/08 18:40 | | |
| I'm OKayfabe | Comedy | 22 | 01/08 22:00 | 25/08 22:00 | | |
| I'm Still Here | Dance Physical Theatre and Circus | 7 | 20/08 10:25 | 26/08 10:25 | | |
| I'm Woman | Theatre | 14 | 12/08 14:30 | 25/08 20:30 | | |
| I've Got You Under My Skin | Music | 7 | 07/08 13:00 | 24/08 13:00 | | |
| I, AmDram | Theatre | 25 | 01/08 14:00 | 26/08 14:00 | | |
| I, Tom Mayhew | Comedy | 24 | 01/08 19:30 | 25/08 19:30 | | |
| I’m Afraid of Americans | Comedy | 25 | 01/08 17:45 | 26/08 17:45 | | |
| I’m Just Kidneying | Theatre | 24 | 01/08 14:00 | 25/08 14:00 | | |
| Iain Dale: All Talk | Spoken Word | 11 | 01/08 16:00 | 11/08 16:00 | | |
| Iain Dale: All Talk | Spoken Word | 11 | 01/08 18:00 | 11/08 18:00 | | |
| Iain Rankin (Singer-Songwriter) | Music | 1 | 16/08 22:00 | 16/08 22:00 | | |
| Iain Stirling: Work in Progress | Comedy | 13 | 05/08 17:30 | 17/08 17:30 | | |
| Ian Lane – Paperweight | Comedy | 24 | 01/08 20:35 | 25/08 20:35 | | |
| Ian Smith: Half-Life | Comedy | 24 | 01/08 17:15 | 25/08 17:15 | | |
| Ice Ice Iceland | Theatre | 22 | 03/08 13:45 | 24/08 13:45 | | |
| Icelandic Folk Songs and Stories from Icelandic Life and Culture, Viking to Contemporary Iceland; Piano, Voice and Drums with Passion and Humour | Music | 3 | 05/08 14:30 | 10/08 14:30 | | |
Ideal School Exhibition Sponsored by the RSA | Events | 0 | | | | |
| Identity | Dance Physical Theatre and Circus | 12 | 12/08 16:10 | 24/08 16:10 | | |
Identity Crisis CANCELLED | Theatre | 0 | | | | |
| Ideology and Hair Gel | Theatre | 7 | 19/08 14:45 | 25/08 14:45 | | |
| Idris Stanton – Wham Glam Circus Man! | Cabaret and Variety | 20 | 03/08 18:15 | 25/08 18:15 | | |
| If I Die on Mars | Theatre | 6 | 12/08 17:05 | 24/08 17:05 | | |
| If It Didn't Matter | Theatre | 5 | 05/08 15:05 | 09/08 15:05 | | |
| If Mouth Could Speak | Theatre | 24 | 02/08 18:25 | 26/08 18:25 | | |
| If This Is Normal | Theatre | 24 | 02/08 14:00 | 26/08 14:00 | | |
| If You're Feeling Sinister: A Play with Songs | Theatre | 24 | 01/08 15:45 | 26/08 15:45 | | |
| Ignacio Lopez: EspañYOLO | Comedy | 11 | 01/08 13:30 | 11/08 13:30 | | |
| Il signor Bruschino | Musicals and Opera | 6 | 05/08 14:30 | 10/08 14:30 | | |
| Illegal | Theatre | 24 | 01/08 12:00 | 25/08 12:00 | | |
| Illicit Thrill – Where Do We Gogo from Here... | Cabaret and Variety | 15 | 02/08 23:55 | 25/08 23:55 | | |
| Imaan Hadchiti: Being Frank | Comedy | 22 | 01/08 18:30 | 25/08 18:30 | | |
| Imaginary Porno Charades | Comedy | 20 | 02/08 22:30 | 24/08 22:30 | | |
| Immigrant Diaries – Sajeela Kershi and Guests | Comedy | 11 | 02/08 15:00 | 12/08 15:00 | | |
| Immoral Maze | Comedy | 24 | 01/08 15:30 | 25/08 15:30 | | |
| Impromptu Shakespeare | Comedy | 25 | 01/08 13:30 | 26/08 13:30 | | |
| Improv Cage Match | Comedy | 21 | 03/08 20:45 | 24/08 20:45 | | |
| Improv On Demand | Comedy | 22 | 03/08 14:35 | 24/08 14:35 | | |
| Improv, She Wrote | Comedy | 9 | 02/08 22:40 | 10/08 22:40 | | |
| Improvabunga! | Comedy | 20 | 02/08 21:20 | 24/08 21:20 | | |
| Improvengers: Pretendgame | Comedy | 13 | 13/08 18:30 | 25/08 18:30 | | |
| Improvised Director's Cut | Comedy | 20 | 03/08 18:45 | 25/08 18:45 | | |
| Improvisers Assemble! | Comedy | 14 | 02/08 21:35 | 17/08 21:35 | | |
| Impulse Control | Comedy | 18 | 04/08 12:20 | 25/08 12:20 | | |
| In Bread with Joseph Emslie (Work in Progress) | Comedy | 22 | 03/08 12:25 | 25/08 12:25 | | |
| In Conversation with Standard Issue | Comedy | 2 | 11/08 13:40 | 12/08 13:40 | | |
| In Conversation with... Barbara Dickson | Spoken Word | 1 | 20/08 12:00 | 20/08 12:00 | | |
| In Conversation with... David Hayman | Spoken Word | 1 | 11/08 12:00 | 11/08 12:00 | | |
| In Conversation with... Elaine C Smith | Spoken Word | 1 | 23/08 12:00 | 23/08 12:00 | | |
| In Conversation with... Humza Yousaf | Spoken Word | 1 | 16/08 12:00 | 16/08 12:00 | | |
| In Conversation with... Ian Rankin | Spoken Word | 1 | 22/08 12:00 | 22/08 12:00 | | |
| In Conversation with... Janey Godley | Spoken Word | 1 | 08/08 12:00 | 08/08 12:00 | | |
| In Conversation with... Jo Caulfield | Spoken Word | 1 | 04/08 12:00 | 04/08 12:00 | | |
| In Conversation with... John McDonnell | Spoken Word | 1 | 07/08 12:00 | 07/08 12:00 | | |
| In Conversation with... Kezia Dugdale | Spoken Word | 1 | 15/08 12:00 | 15/08 12:00 | | |
| In Conversation with... Michael Stewart | Spoken Word | 1 | 09/08 12:00 | 09/08 12:00 | | |
| In Conversation with... Nicola Sturgeon | Spoken Word | 1 | 15/08 15:20 | 15/08 15:20 | | |
| In Conversation with... Patrick Harvie | Spoken Word | 1 | 24/08 12:00 | 24/08 12:00 | | |
| In Conversation with... Ricky Ross | Spoken Word | 1 | 05/08 12:00 | 05/08 12:00 | | |
| In Conversation with... Ruth Davidson | Spoken Word | 1 | 06/08 12:00 | 06/08 12:00 | | |
| In Conversation with... Shappi Khorsandi | Spoken Word | 1 | 10/08 12:00 | 10/08 12:00 | | |
| In Conversation with... Tom Devine | Spoken Word | 1 | 18/08 12:00 | 18/08 12:00 | | |
| In Conversation with... Val McDermid | Spoken Word | 1 | 19/08 12:00 | 19/08 12:00 | | |
| In Conversation with… Archie Macpherson | Spoken Word | 1 | 17/08 12:00 | 17/08 12:00 | | |
In Conversation with… Len McCluskey - CANCELLED | Spoken Word | 0 | | | | |
| In Her Corner | Theatre | 11 | 03/08 15:20 | 23/08 15:20 | | |
| In Loyal Company | Theatre | 26 | 01/08 13:10 | 26/08 13:10 | | |
| In Poor Taste (in association with the Oxford Revue) | Comedy | 2 | 10/08 20:30 | 11/08 20:30 | | |
| In PurSUEt | Theatre | 6 | 12/08 12:10 | 17/08 12:10 | | |
| In PurSUEt | Theatre | 9 | 02/08 12:20 | 10/08 12:20 | | |
| In Space... | Musicals and Opera | 15 | 02/08 18:25 | 17/08 18:25 | | |
| In the Heights | Musicals and Opera | 5 | 06/08 16:20 | 10/08 16:20 | | |
| In the Shadow of the Black Dog | Theatre | 22 | 01/08 18:30 | 23/08 18:30 | | |
| In Your Wet Dreams | Theatre | 6 | 19/08 19:35 | 24/08 19:35 | | |
| InAbsence | Music | 1 | 18/08 17:30 | 18/08 17:30 | | |
| InChorus Choir | Music | 1 | 07/08 19:15 | 07/08 19:15 | | |
| India Flamenco – A Gypsy Tale | Dance Physical Theatre and Circus | 21 | 02/08 17:30 | 25/08 17:30 | | |
| Inferno, Kid | Spoken Word | 6 | 12/08 23:10 | 17/08 23:10 | | |
| Inflatable Space | Theatre | 23 | 01/08 16:15 | 26/08 16:15 | | |
| Ingrid Cusido: Piano Recital | Music | 5 | 01/08 12:30 | 05/08 12:30 | | |
| Inka | Theatre | 10 | 17/08 14:40 | 26/08 14:40 | | |
| Innovations Contemporary Dance Platform | Dance Physical Theatre and Circus | 6 | 19/08 18:30 | 24/08 18:30 | | |
| Insane In The Men Brain | Comedy | 1 | 19/08 20:00 | 19/08 20:00 | | |
| Insane In The Men Brain | Comedy | 1 | 12/08 14:30 | 12/08 14:30 | | |
| Inside the Comedian | Comedy | 5 | 19/08 23:00 | 23/08 23:00 | | |
| Inspirational India | Exhibitions | 30 | 01/08 10:00 | 30/08 10:00 | | |
| Intellectual Property Rights for Fringe Performers | Events | 1 | 15/08 14:00 | 15/08 14:00 | | |
| INTERBEING – Stories from a Current War | Dance Physical Theatre and Circus | 22 | 01/08 15:30 | 25/08 15:30 | | |
| International Creative Producer Training | Events | 1 | 20/08 13:30 | 20/08 13:30 | | |
| International Exchange | Events | 1 | 22/08 15:30 | 22/08 15:30 | | |
| Internationally Unknown | Comedy | 23 | 01/08 14:10 | 24/08 14:10 | | |
| Intersectional Identities at the Forefront | Events | 1 | 21/08 12:00 | 21/08 12:00 | | |
| Interviewing Electric Frog | Comedy | 25 | 01/08 13:45 | 25/08 13:45 | | |
| Intolerable Side Effects | Theatre | 24 | 02/08 18:35 | 26/08 18:35 | | |
| Introduction to Paper Folding | Events | 2 | 18/08 13:30 | 21/08 13:30 | | |
| Inverkeithing Big Band | Music | 1 | 20/08 19:30 | 20/08 19:30 | | |
| Invisible | Theatre | 8 | 02/08 11:25 | 10/08 11:25 | | |
| Invisible Us | Theatre | 6 | 12/08 10:30 | 17/08 10:30 | | |
| Iolanthe | Musicals and Opera | 6 | 19/08 20:25 | 24/08 20:25 | | |
| Iona Fyfe: Songs of the North East | Music | 1 | 16/08 20:30 | 16/08 20:30 | | |
| Irish Comedy Invasion | Comedy | 25 | 01/08 17:00 | 25/08 17:00 | | |
| Irony? | Comedy | 17 | 10/08 20:00 | 26/08 20:00 | | |
| Is God a Psychopath? | Spoken Word | 1 | 10/08 20:10 | 10/08 20:10 | | |
| Isa Bonachera: The Great Emptiness | Comedy | 25 | 01/08 16:45 | 25/08 16:45 | | |
| Isabelle | Theatre | 9 | 18/08 17:35 | 26/08 17:35 | | |
| Ishi Khan: I'mMigrant! | Comedy | 11 | 15/08 14:00 | 25/08 14:00 | | |
Isiqalo – The Beginning - CANCELLED | Dance Physical Theatre and Circus | 0 | | | | |
| Islam Festival Edinburgh | Exhibitions | 9 | 17/08 12:00 | 25/08 12:00 | | |
| Islander: A New Musical | Musicals and Opera | 22 | 01/08 10:00 | 25/08 10:00 | | |
| Islands in the Stream | Music | 1 | 10/08 19:30 | 10/08 19:30 | | |
| Isma Almas: About a Buoy – Adventures in Adoption | Comedy | 25 | 01/08 14:45 | 26/08 14:45 | | |
| ISPA Series at the Fringe – Shifting Identities | Events | 1 | 20/08 11:00 | 20/08 11:00 | | |
| It Just So Happened – An Alternative History Show | Comedy | 2 | 13/08 16:00 | 20/08 16:00 | | |
| It Takes Three to Tango | Comedy | 24 | 01/08 14:00 | 25/08 14:00 | | |
| it will come later | Dance Physical Theatre and Circus | 13 | 11/08 13:00 | 25/08 13:00 | | |
| It'll Be Alt-Right on the Night | Theatre | 25 | 01/08 14:00 | 26/08 14:00 | | |
| It's Aboot Adam | Comedy | 11 | 01/08 18:30 | 11/08 18:30 | | |
| It's All Going To Be OK – Free Festival | Comedy | 24 | 01/08 14:30 | 25/08 14:30 | | |
| It's Beautiful, Over There | Theatre | 19 | 03/08 20:10 | 24/08 20:10 | | |
| It's Britney, Bitches | Cabaret and Variety | 24 | 01/08 23:30 | 26/08 23:30 | | |
| It's Miss Hope Springs | Cabaret and Variety | 24 | 01/08 20:20 | 24/08 20:20 | | |
| It's That Simple | Music | 6 | 19/08 19:40 | 24/08 19:40 | | |
| It's True, It's True, It's True | Theatre | 9 | 16/08 13:00 | 25/08 13:00 | | |
| Italian Stallion: Fake Hero | Comedy | 5 | 07/08 20:00 | 11/08 20:00 | | |
| Itinerary of an EU Migrant Worker – A Bittersweet Anglo-French Musical Comedy | Cabaret and Variety | 5 | 19/08 22:05 | 24/08 22:05 | | |
| IvankaPlay | Theatre | 24 | 01/08 13:50 | 25/08 13:50 | | |
| Ivo Graham: The Game of Life | Comedy | 25 | 01/08 19:00 | 25/08 19:00 | | |
| Ivo Graham: The Game of Life | Comedy | 1 | 16/08 23:00 | 16/08 23:00 | | |
| Ivory Wings | Theatre | 22 | 01/08 11:50 | 24/08 11:50 | | |
| Ivy Paige – Queen of the Swingers | Cabaret and Variety | 24 | 02/08 19:15 | 25/08 19:15 | | |
| Izzy Mant: Polite Club | Comedy | 25 | 01/08 14:50 | 26/08 14:50 | | |