John Whitaker

• John Whitaker (equestrian), English showjumper
• John Whitaker (gymnast), English gymnast
• John Whitaker (historian), English historian and Anglican clergyman
• John Whitaker (Iowa politician), American politician from Iowa
• John A. Whitaker, American politician from Kentucky
• John N. Whitaker, American neurologist and immunologist
• John Thompson Whitaker, American writer and journalist
• Johnny Whitaker, American actor
• Jack Whitaker, American sportscaster