Omweso (sometimes shortened to Mweso) is the traditional mancala game of the Ugandan people.

The game was supposedly introduced by the Bachwezi people of the ancient Bunyoro-kitara empire of Uganda.

It is a very hard and fast game said to keep one's mind high and ever excited[citation needed], which can make it addictive.

Omweso is strictly related to a wide family of mancalas found in eastern and southern Africa; these include Coro in the Lango region of Uganda, Aweet in Sudan, ǁHus in Namibia, Kombe in Lamu (Kenya), Mongale in Mombasa (Kenya), Mongola in Congo, Igisoro in Rwanda, and Kiela in Angola.

The referee counts emu, bbiri, and if the turn is not started the other player may steal it.

Upon re-entering these reverse-captured seeds, the player may sow them clockwise again, if and only if this play results in a direct capture.

The player may also choose to sow reverse-captured seeds in the usual counter-clockwise manner, and there is no compulsion to play one direction or the other when the choice is available.

In tournament play, a player is allowed up to three minutes to finish his move - if this cannot be done, the game is annulled.