Daniel Marsh is an Australian cricketer.
Daniel Marsh may also refer to:
- Daniel Webster Marsh (1838–1916), Canadian politician
- Dan Marsh (born 1956), American former professional wrestler
- Daniel L. Marsh (1880–1968), president of Boston University
- Daniel G. Marsh (born 1937), American politician in the state of Washington
- Daniel Marsh (Massachusetts politician), representative to the Great and General Court
- Daniel Marsh (curler), Canadian curler
- Daniel William Marsh (born 1997), American murderer and perpetrator of the murders of Claudia Maupin and Oliver Northup