Daniel or Danny Cox may refer to:
- Daniel Allen Cox (born 1976), Canadian author and screenwriter
- Danny Cox (baseball), American baseball pitcher
- Daniel Cox (bishop) (1931–2021), American Anglican bishop
- Danny Cox (cricketer) (born 1992), English cricketer
- Danny Cox (ice hockey) (1903–1982), Canadian ice hockey forward
- Danny Cox (musician) (born 1942), American musician
- Daniel Cox (physicist), American physicist
- Dan Cox, American politician from Maryland
- Daniel Cox (born 1990), British tennis player
- Daniel Cox (physician) (died 1750), British physician
- Danny Cox (radio presenter), British radio presenter and journalist