Cowherd is the surname of: Colin Cowherd, American sports radio host Kevin Cowherd, American author, humorist and former newspaper columnist Leonard Cowherd, American soldier killed in the Iraq War, one of the subjects of the documentary Last Letters Home Thomas Cowherd, Canadian tinsmith and poet who helped telephone inventor Alexander Graham Bel William Cowherd, English clergyman William S. Cowherd, American mayor of Kansas City and U.S. congressman for Missouri.