One Day at a Time may refer to:
Television series
- One Day at a Time (1975 TV series), an American sitcom that ran from 1975 to 1984
- One Day at a Time (2017 TV series), the Netflix and Pop reboot of the 1970s-1980s sitcom
Music
- One Day at a Time (album), 1970 album by Joan Baez
- One Day at a Time (Marijohn Wilkin and Kris Kristofferson song), 1974 country/Christian song recorded by many artists
- "One Day at a Time (Em's Version)", 2004 single by 2Pac with Eminem featuring Outlawz
- One Day at a Time, 1999 album by Foster and Allen
- "One Day at a Time", a 1965 song written by Willie Nelson, first performed by Rose Maddox and Tiny Harris
- "One Day at a Time", a 1970 song written by Joe Babcock, first performed by Porter Wagoner & Dolly Parton on the album Once More
- "One Day (At a Time)", a song by John Lennon on the 1973 album Mind Games
- "One Day at a Time", a 1976 song by Norman Lee
- "One Day at a Time", a song by The Knack on their 2001 album Normal as the Next Guy
- "One Day at a Time", a song by Lynyrd Skynyrd on their 2012 album Last of a Dyin' Breed
- "One Day at a Time", a song by Joe Walsh on his 2012 album Analog Man
- "One Day at a Time", a song by Jeremy Camp on his 2002 album Stay
Books
- One Day at a Time (novel), 2009 novel by Danielle Steel
- One Day at a Time, 2011 childhood memoir by Susan Lewis
- One Day at a Time, a collection of daily readings by Al-Anon Family Groups
Other uses
- "One Day at a Time", a motto of Alcoholics Anonymous