What If may refer to:

Film

* ''What If'', a 2006 TV film starring

Niall Buggy Niall is a male given name of Irish origin. The original meaning of the name is unknown, but popular modern sources have suggested that it means "champion" (derived from the Old Irish word ''niadh''),. According to John Ryan, Professor of Early an ...

* ''What If...'' (2010 film), an American film * ''What If...'' (2012 film), a Greek film * ''What If'' (2013 film) or ''The F Word'', a Canadian-Irish film

Television

* '' What/If'', a 2019 American thriller streaming miniseries * ''What If...'' (web series), a 2010 American soap-opera crossover series * ''What If...?'' (TV series), a 2021 American animated series by Marvel Studios * "What If..." (''Agents of S.H.I.E.L.D.''), an episode of ''Agents of S.H.I.E.L.D.'' * "What If" (''Drop Dead Diva''), an episode of ''Drop Dead Diva'' * "What If?" (''JAG''), an episode of ''JAG''

Literature

* Alternate history, fiction based on what if historical questions * Alternate universe (fan fiction), fiction based on what if questions in fiction * " What If—", a fantasy short story by Isaac Asimov * ''What If?'' (book), an xkcd blog and associated book by Randall Munroe * ''What If'' (comics), comic book series featuring alternate versions of the Marvel Comics universe * ''What If?'' (essays), an anthology of counterfactual history essays * ''What If?'' (magazine), a Canadian arts and literature youth magazine * ''What If...?: Amazing Stories selected by Monica Hughes'', a book by Monica Hughes

Music

Albums

* ''What If'' (Dixie Dregs album) or the title song, 1978 * ''What If?'' (Emerson Drive album) or the title song, 2004 * ''What If'' (Jerry Douglas album) or the title song, 2017 * ''What If?'' (Kenny Barron album) or the title song, 1986 * ''What If...'' (Mr. Big album), 2011 * ''What If'' (Tommy Shaw album) or the title song, 1985 * ''What If...'', by Burns Blue, 2003

Songs

* "What If" (112 song), 2005 * "What If" (Ashley Tisdale song), 2009 * "What If" (Babyface song), 2001 * "What If" (Colbie Caillat song), 2011 * "What If" (Creed song), 1999 * "What If" (Dina Garipova song), 2013 * "What If" (Friends song), featuring Darin, 2009 * "What If" (Jason Derulo song), 2010 * "What If" (Kate Winslet song), 2001 * "What If" (Reba McEntire song), 1997 * "What If", by Aaliyah from '' Aaliyah'', 2001 * "What If", by Adrienne Bailon from ''The Cheetah Girls: One World'' soundtrack album, 2008 * "What If?", by AJ McLean from '' Have It All'', 2010 * "What If", by Armin van Buuren from ''

Imagine Imagine may refer to: * Imagination Music Albums * ''Imagine'' (Armin van Buuren album), 2008 * ''Imagine'' (Eva Cassidy album), 2002 * ''Imagine'' (Janice Vidal album), 2012 * ''Imagine'' (John Lennon album), 1971 ** ''Imagine: John Lennon' ...

'', 2008 * "What If", by Blanca, 2018 * "What If", by Cog from '' Sharing Space'', 2008 * "What If", by Coldplay from '' X&Y'', 2005 * "What If...?", by Control Denied from '' The Fragile Art of Existence'', 1999 * "What If", by Craig David from ''

Following My Intuition ''Following My Intuition'' is the sixth studio album by English singer Craig David. The album was released on 30 September 2016 by Insanity Records and Sony Music and features the likes of Big Narstie, Blonde, Sigala, Hardwell and Kaytranada. It ...

'', 2016 * "What If", by Emilie Autumn from '' Enchant'', 2003 * "What If", by Esmée Denters from '' Outta Here'', 2009 * "What If", by Five for Fighting from '' Bookmarks'', 2013 * "What If?", by Godsmack from '' The Oracle'', 2010 * "What If...", by J-Hope from '' Jack in the Box'', 2022 * "What If", by Johnny Orlando and

Mackenzie Ziegler Mackenzie Frances Ziegler (born June 4, 2004) is an American singer, actress, former dancer, and internet personality. She first gained notice as a child while appearing for six years on the Lifetime reality dance series '' Dance Moms'' togeth ...

, 2018 * "What If", by Kevin Gates from '' By Any Means 2'', 2017 * "What If", by King Missile from ''

King Missile King Missile is an American avant-garde art rock band best known for its 1992 single "Detachable Penis". Vocalist John S. Hall has fronted several disparate incarnations of the group since founding it in 1986. History King Missile (Dog Fly Rel ...

'', 1994 * "What If", by Nicole Nordemann from '' Brave'', 2005 * "What If", by PureNRG from ''

PureNRG PureNRG (stylized as pureNRG and pronounced "Pure Energy") was a Christian pop group from Nashville, Tennessee. They were signed to Fervent Records in late 2006. They released six albums: their self-titled debut ''pureNRG'' (released May 2007 ...

'', 2007 * "What If", by Ruben Studdard from '' Soulful'', 2003 * "What If", by Simple Plan from '' Simple Plan'', 2008 * "What If", written by Andrew Lippa for the musical ''

The Addams Family ''The Addams Family'' is a fictional family created by American cartoonist Charles Addams. They originally appeared in a series of 150 unrelated single-panel cartoons, about half of which were originally published in ''The New Yorker'' over ...

'', 2009

Other uses

What-if analysis Sensitivity analysis is the study of how the uncertainty in the output of a mathematical model or system (numerical or otherwise) can be divided and allocated to different sources of uncertainty in its inputs. A related practice is uncertainty anal ...

, or sensitivity analysis, the study of how model output varies with changes in input * What if chart, a visual tool for modeling the outcome of a combination of different factors *

WHAT IF software WHAT IF is a computer program used in a wide variety of computational (''in silico'') macromolecular structure research fields. The software provides a flexible environment to display, manipulate, and analyze small and large molecules, proteins, ...

, a molecular modeling and visualization package