In geometry, a hexagon (from Greek ἕξ hex, "six" and γωνία, gonía, "corner, angle") is a 6-sided polygon or 6-gon. The total of the internal angles of any hexagon is 720°.

Hexagonal (stylized as "HEXAGONAL") is the sixth album by South Korean hip-hop duo Leessang. The album was released on October 6, 2009. The album contains 16 songs.