Lo Man-wai CBE (1895 – 5 April 1985) was a prominent lawyer and politician in Hong Kong who served as a member of the Executive Council and Legislative Council of Hong Kong.
His father was the wealthy Hong Kong merchant and compradore of Jardine, Matheson & Co., Lo Cheung-shiu.
His brother, Lo Man-kam, was also a prominent lawyer who served on the Executive and Legislative Councils of Hong Kong prior to the 1950s.
From 1920 to 1922, he was runner-up to Ng Sze-kwong three years in a row in Men's Singles at the Hong Kong National Grass Court Championships.
With his sister Enid, he won the Mixed Doubles title at the Hong Kong Hardcourt Championships in 1928, 1930 and 1932, thus becoming the only player in Hong Kong to have won a local doubles title with both his brother and sister.