Crout is a surname. Notable people with the surname include:
- Alfred Crout Harmer (1825–1900), American politician, a Republican member of the United States House of Representatives from Pennsylvania
- Henry Crout (fl. 1612–1617), English settler, explorer
- John Crout (1899-1987), American engineer
- Prescott Durand Crout (1907–1984), American mathematician
See also
edit- Crout matrix decomposition, a matrix decomposition