M109 (disambiguation)

M109 is a self-propelled 155 mm howitzer.

M109 may also refer tto:

Military

 * HMS Bangor (M109), a Sandown-class minehunter
 * Messerschmitt Bf 109, a German World War 2 fighter aircraft
 * M109 shop van, a variant of a M35 2½ ton cargo truck

Other uses

 * M-109 highway (Michigan), a state highway in Michigan, US
 * Messier 109 (M109), a spiral galaxy in the constellation Ursa Major
 * Suzuki Boulevard M109R, a motorcycle