Final Fantasys' are renown for the choice of weapons, there are three main types the weapons fall into: one-handed weapons, two-handed weapons, ranged weapons.
One-handed weapons
» Swords
» Axes and hammers
» Daggers
» Maces
» Measures

Two-handed weapons
» Great Swords
» Japanese Swords (Katana and Ninja)
» Spears
» Poles
» Rods
» Staves

Ranged weapons
» Bows and Crossbows
» Guns
» Handbombs
Note: For details on ammunition on ranged weapons, go here.