Justin Kotelawala, CBE, JP (22 August 1904 - 2 April 1973) was a Sri Lankan businessman and senator.
After he was forced out of the management of the Attygalle estates by the family, Kotelawala Snr started his own business ventures including the Ceylon-Japan Trading Company.
Alice Kotelawala who had converted to Christianity slowly built up the family wealth through careful management of their remaining land holdings and the share of the Kahatagaha graphite mine, which she received from her younger sister Ellen and brother-in-law, Fredrick Richard Senanayake.
Justin Kotelawala was educated at the Royal College, Colombo and at the University of Cambridge, where he gained an MA.
They had three children, A son Deshamanya Lalith Kotelawala and two daughters, the writer Punyakante Wijenaike[6] and Ayoma Wickremasinghe.