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) (1943–2025), 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

• Daniel Coxe (1640–1730), governor of West Jersey