John Cascaes Caneira
- Bats Right, Throws Right
- Height 6' 3", Weight 180 lb.
- School Eastern Connecticut State College
- High School Naugatuck High School
- Debut September 10, 1977
- Final Game July 22, 1978
- Born October 7, 1952 in Waterbury, CT USA
John Caneira pitched eight times with the California Angels between 1977 and 1978, going 2-2, 4.71 in 36 1/3 innings. He was a member of the Silver Medal-winning Team USA at the 1971 Pan American Games, the Bronze-winning US in the 1973 Intercontinental Cup and the Gold-Medal-winning US at the 1973 FEMBA Amateur World Series.