Toswel Kaua (born 28 August 1947 in Lau, Malaita Province; died 15 November 2010 in Honiara) was a Solomon Islands politician, several times Cabinet minister, and Deputy Prime Minister from May to November 2007. He retained his seat in Parliament in the August 2010 general election, and served as a government backbencher for the remaining months of his life. On 15 November 2010, he died in hospital following a "long illness".