John Flanagan
John Flanagan is the name of the following people:
- John Flanagan (track and field athlete) (1873-1938), American hammer thrower
- John Flanagan (Author) (born 1944), Australian author for young people
- John Flanagan (triathlete) (* 1975), American triathlete
- John C. Flanagan ( John Clemans Flanagan ; 1906-1996), American psychologist