One Man Army

One Man Army may refer to:


 * A one-man army, often a trope of action films, a heavily armed and well-trained combatant able to face numerous enemies alone

In music

 * One Man Army (band), an American punk rock band that formed in 1996 and dissolved in 2005
 * "One Man Army" (song), a 1999 single released by rock band Our Lady Peace
 * "One Man Army" (Kassidy album), 2012
 * "One Man Army" (Ensiferum album), 2015
 * One Man Army and the Undead Quartet, a Swedish death metal band that formed in 2004
 * OneManArmy, a hip hop M.C. also known as One Be Lo
 * Jezper Söderlund, known as "One Man Army", a Swedish record producer
 * The One Man Army, a 2005 album by Hardstyle DJ Radical Redemption
 * "One Man Army", a song by DaBaby from Baby on Baby 2, 2022

Other uses

 * Léo Major, a French-Canadian soldier in both WWII and the Korean War
 * One Man Army (TV series), a Discovery Channel television show
 * The One Man Army (1973 novel), by Moacyr Scliar
 * Arthur W. Wermuth, known as the One Man Army of Bataan for his actions against the Japanese in the Philippines
 * Johnny Seven OMA (One Man Army), a top selling 1964 toy gun
 * Minute-Man, a Fawcett Comics/DC Comics superhero described as a "one-man army"