"Who Knows Where the Time Goes?" is a song written by English folk singer Sandy Denny in 1967.
This title can also refer to:
- Who Knows Where the Time Goes (Judy Collins album), a 1968 album by Judy Collins
- Who Knows Where the Time Goes? (Sandy Denny album), a 1985 compilation by Sandy Denny
- Who Knows Where the Time Goes? (Fairport Convention album), a 1997 album by Fairport Convention
- Who Knows Where the Time Goes, a 2011 album by Rondi Charleston