Albums

• Someday (Crystal Gayle album), and the title song, 1995
• Someday (J-Walk album), and the title song, 2002
• Someday (Susanna Hoffs album), 2012
• Someday (Yanni album), and the title song (see below), 1999
• Someday (Younha album), 2008
• Someday, by Arlo Guthrie, 1986
• Someday, by Frank Carillo & The Bandoleros, 2008

Songs

• "Someday" (Alan Jackson song), 1991
• "Someday" (Alcazar song), 2003
• "Someday" (Disney song), recorded by All-4-One and Eternal for the film The Hunchback of Notre Dame, 1996
• "Someday" (Flipsyde song), 2005
• "Someday" (Julian Lennon song), 2013
• "Someday" (M People song), 1992
• "Someday" (Majozi)
• "Someday" (Mariah Carey song), 1990
• "Someday" (Michael Learns to Rock song), 1995
• "Someday" (Nickelback song), 2003
• "Someday" (Nina Girado song), 2006
• "Someday" (No Angels song), 2003
• "Someday" (Rob Thomas song), 2009
• "Someday" (Steve Earle song), from Guitar Town, 1986
• "Someday" (Sugar Ray song), 1999
• "Someday" (The Strokes song), 2002
• "Someday" (U-KISS song), 2011
• "Someday (I Will Understand)", a song by Britney Spears, 2005
• "Someday (I'm Coming Back)", a song by Lisa Stansfield, 1992
• "Someday (You'll Want Me to Want You)", a 1944 song written by Jimmie Hodges, covered by many artists
• "Someday"/"Boys & Girls", a single by Kumi Koda, 2006
• "Some Day" (1925 song), written by Rudolf Friml and Brian Hooker, covered by Frankie Laine
• "Someday", by CeCe Rogers, 1987
• "Someday", by The Afters from I Wish We All Could Win
• "Someday", by Ash from Free All Angels
• "Someday", by The Black Eyed Peas from The Beginning
• "Someday", by Brian Houston from Sugar Queen
• "Someday", by The Carpenters from Ticket to Ride
• "Someday", by Claess & Willumsen
• "Someday", by Crossfade from Falling Away
• "Someday", by Crystal Gayle from Someday
• "Someday", by David Gates from Never Let Her Go
• "Someday", by Embrace from Out of Nothing
• "Someday", by Emyli
• "Someday", by Enuff Z'nuff from Paraphernalia
• "Someday", by Glass Tiger from The Thin Red Line
• "Someday" by Harry Styles from Nobody but Me by Michael Bublé
• "Someday", by John Legend
• "Someday", by Ké
• "Someday", by Lesley Gore from Ever Since
• "Someday", by Michael Learns to Rock from Played on Pepper
• "Someday", by Mike E