What on Earth may refer to:
*
''What on Earth!'' (film), a 1966 National Film Board of Canada animated short co-directed by Les Drew and Kaj Pindal
*
''What on Earth'' (Canadian game show), a Canadian quiz and talk show series which aired on CBC Television from 1971 to 1975
*
''What on Earth?'' (U.S. TV program), an American television program which debuted on Science Channel in 2015
* What on Earth Publishing, a British publisher founded by
Christopher Lloyd
{{Disambiguation