John Eaves (disambiguation)
J. Eaves could refer to:

 John Eaves, a Star Trek model designer and illustrator, and namesake of the following:

 John Eaves (artist), a 20th century artist
 J. Eaves (22nd century), a 22nd century SF officer
 John Eaves (23rd century), a 23rd century SF officer
 J. Eaves (mirror), a 23rd century Imperial SF officer
 John Eaves (24th century), a 24th century SF officer