Harry Austin Kitson (17 June 1874 – 30 November 1951) was a male tennis player from South Africa who won a gold medal at the men's doubles event at the 1912 Summer Olympics.

In the doubles, he was partnered by Victor Gauntlett and reached the quarterfinals, where Clement Cazalet and Charles P. Dixon proved too strong.

He won the gold medal in the men's doubles event together with Charles Lindhurst Winslow, defeating the Austrian team Arthur Zborzil / Fritz Pipes in the final.

He won a silver medal in the men's singles tournament after losing in the final to his doubles partner in four sets.

[3][4] Kitson won the South African Championships in 1905, 1908, 1911 and 1913 and was runner–up in 1909 and 1910 respectively Reginald Doherty and Anthony Wilding.