Katana:

Standard sized and most common type of Japanese sword.

Bokken and Subarito:

Wooden training sword, the Subarito is a heavier version.

Wakizashi:

Short sword.

Shoto:

Literally 'Short sword', it's also used to refer to the short wooden training sword.

Tanto:

A short knife, either metal or wooden.

Bo:

6ft staff.

Jo:

4ft staff or 'chin height', depending on school.

Hanbo:

3ft staff, or walking stick height.

Naginata:

Equivalent of a halberd, has a variety of blade shapes and sizes.

Yari:

A strait bladed spear.

Kyoketsu Shoge:

A combined spear tip and sickle, attached to a long chain with an iron ring at the other end.

Kunai:

A digging, fighting, or throwing tool, a bit like a trowel.

Tessen:

An iron fan, either one that can open and be used, or just a solid bar made to look like a real fan.

Kusari fundo:

A short length of chain with small iron weights at either end.

Kusari gama:

A sickle, with a short length of chain attached, and an iron weight at the other end.

Shuko:

Spiked band worn around the hands.

Shuriken:

Throwing weapons, in either star or spike shapes.

Jutte:

A sword-breaking and restraint weapon, that looks like half an Okinawan Sai; a metal rod with a grip at one end, and a spur.