MGR (disambiguation)

M. G. Ramachandran (1917–1987) was the Former Chief Minister of Tamil Nadu.

MGR may also refer to:


 * ManaGeR (MGR), graphical window system
 * Mere Gook Rule (MGR), controversially claimed Vietnam War engagement policy
 * Merry-go-round train, British freight-train design

Mgr. is an honorific or abbreviation for:
 * Manager (disambiguation)
 * Monseigneur (also Msgr.)
 * Monsignor (also Msgr., Mons.)