Onion Knight may refer to:
- The recurring job.
- The enemy from Final Fantasy VI.
- The Celestial Weapon from Final Fantasy X.
- The Alternate Costume For Tiz Arrior from Bravely Default.
- The weapon from Final Fantasy Airborne Brigade.
- The enemy from Final Fantasy Record Keeper.
- The summon from Final Fantasy Legends II.
- The enemy from Chocobo's Dungeon 2.
onion, also known as the bulb onion or common onion, is used as a vegetable and is the most widely cultivated species of the genus Allium.The
The adjective of onion refers to the Japanese metaphoric idiom of poverty, aptly named the "Onion Life", "peeling away one layer at a time and crying all the way". Alternatively, the term could come from the slang phrase "to know one's onions", meaning to be very versatile.