2015 took place from January 22 to February 1, 2015. Sundance Film Festival  , a biographical documentary film about American singer What Happened, Miss Simone? Nina Simone, opened the festival. Comedy-drama film  , directed by Grandma Paul Weitz, served as the closing night film. 
The awards ceremony was held on January 30, 2015 at the Basin Recreation Fieldhouse in Park City, Utah.
The ceremony was hosted by comedian  Tig Notaro.  
Additional awards were presented at separate ceremonies.
 The Shorts Awards were presented January 28, 2015 at the ceremony in Park City, Utah.    Short Film Grand Jury Prize -
World of Tomorrow Short Film Jury Award: U.S. Fiction -
SMILF Short Film Jury Award: International Fiction -
Oh Lucy! Short Film Jury Award: Non-fiction -
The Face of Ukraine: Casting Oksana Baiul Short Film Jury Award: Animation -
Storm hits jacket Short Film Special Jury Award for Acting -
Back Alley Short Film Special Jury Award for Visual Poetry -
Object Sundance Institute/Mahindra Global Filmmaking Awards -
Haifaa al-Mansour for Be Safe I Love You, K'naan for The Poet, Myroslav Slaboshpytskiy for Luxembourg, Oskar Sulowski for Rosebuds. Sundance Institute/NHK Filmmaker Award -
Laure de Clermont-Tonnerre for Mustang. 2015 Red Crown Producer's Award - Stephanie Langhoff for . The Bronze
Jury members, for each program of the festival, including the Alfred P. Sloan Jury, which also took part in the Science in Film Forum Panel, were announced on December 18, 2014.
 Presenters of awards are followed by asterisks:   
Others who presented awards included
Adam Scott, Kevin Pollak, Kevin Corrigan, Patrick Fugit and Trevor Groth. 
For a full list of films appeared at the festival, see
List of films at the 2015 Sundance Film Festival.
The number of seats available at the festival theaters, where films were shown is listed below:
Eccles Theatre - 1,270 seats
Egyptian Theatre - 282 seats Holiday Village Cinema 4 - 162 seats
Library Center Theatre - 486 seats
The MARC Theatre - 550 seats
Prospector Square Theatre - 324 seats
Redstone Cinema 1 - 188 seats
Redstone Cinema 2 - 175 seats
Redstone Cinema 7 - 176 seats
Temple Theatre - 840 seats
Yarrow Hotel Theatre - 295 seats
Salt Lake City
Sundance Resort Screening Room - 164 seats
Acquisitions at the festival included the following:
"2015 Sundance Film Festival". Sundance . Retrieved 2015.
Baig, Nishat (January 27, 2015). ". The Northstar Group "What Happened, Miss Simone?" Opens The 2015 Sundance Film Festival" . Retrieved 2015.
"Sundance Fest's closing-night film, 'Grandma,' a heartfelt comic showcase for Lily Tomlin" . Retrieved 2015.
Umstead, Ben (January 31, 2015). "Sundance 2015 Award Winners" . Retrieved 2015.
"Comedian Tig Notaro Is Star of Sundance Doc, Host of Awards" . Retrieved 2015.
"Here Are Your 2015 Sundance Film Festival Winners" . Retrieved 2015.
"Sundance Institute and Alfred P. Sloan Foundation Award" (PDF). Archived from the original (PDF) on March 4, 2016 . Retrieved 2014.
"2015 SUNDANCE FILM FESTIVAL ANNOUNCES FEATURE FILM AWARDS" . Retrieved 2014.
" 'World Of Tomorrow' Wins Sundance Short Film Grand Jury Prize" . Retrieved 2014.
"2015 SUNDANCE FILM FESTIVAL ANNOUNCES SHORT FILM AWARDS" . Retrieved 2014.
"Sundance Announces 2015 Jurors: Cary Fukunaga, Winona Ryder, Edgar Wright and More" . Retrieved 2015.
"SUNDANCE INSTITUTE ANNOUNCES JURY MEMBERS FOR 2015 SUNDANCE FILM FESTIVAL; TIG NOTARO TO HOST CLOSING NIGHT AWARDS CEREMONY" . Retrieved 2015.
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"2015 SUNDANCE FILM FESTIVAL LIVE AWARDS UPDATES" . Retrieved 2015.
"2015 SUNDANCE FILM FESTIVAL ANNOUNCES FEATURE FILM AWARD WINNERS". Archived from the original on February 2, 2015 . Retrieved 2015.
"Film Festival Timetables" (PDF). sundance.org. 2015. Archived from the original (PDF) on February 16, 2015 . Retrieved 2015.
"Movies Sold at Sundance 2015: A Complete & Updated Guide" . Retrieved 2015.