Reginald Percy Gaddum (28 July 1898 – 1957) was a tea planter in Ceylon[1][2] and a member of parliament[3] from 1952 to 1956.
In 1935 he became the youngest Chairman of the Planters' Association of Ceylon,[7] a position in which he served for three years.
[8] On 30 April 1938 he was appointed as a member of the 2nd State Council of Ceylon, following the resignation of Evelyn Charles Villiers.
Gaddum was a keen sportsman, especially in tennis where he teamed up with his brother-in-law to win the national doubles title in three successive years in the early 1920s.
[5][11] Gaddum married Doreen Eleanor née Burmester at St. Paul's Church, Kandy, they had five daughters, Elizabeth Jessie (1923–1990), Moyra Eleanor (1924–2012), Patricia Benita (1926–2013), Shelagh Ann[5] (1928–2004) and Ruth Phoebe (1933–2015).