Henry Ariganyira Musasizi (born 25 February 1981) is a Ugandan business administrator, certified public accountant and politician.

He is the reelected Member of Parliament for Rubanda County East and a representative for NRM, the ruling political party in Uganda.

In 2007, he got employment at the African Medical and Research Foundation, AMREF, and still worked as an accountant up-to 2010 when he resigned to join elective politics.

In 2011, Musasizi bid for the Rubanda County East parliamentary seat on the NRM ticket, and went on to win in both the party’s primaries and in the general elections and became a member of Uganda's 9th Parliament.

[5] In 2016, Musasizi won reelection and continues to serve the constituents of Rubanda County East in the 10th Parliament of the Republic of Uganda.