Sir Cyril de Zoysa (Sinhala: ශ්රිමත් සිරිල් ද සොයිසා) (26 October 1896 – 2 January 1978) was a Sri Lankan industrialist, Senator and a philanthropist.
He was distantly related to Sri Lankan tycoon Sir Ernest de Silva.
[3] His father was a notary public and for this reason, de Zoysa moved many times during childhood.
At the young age of twenty, he began pursuing his legal studies at Ceylon Law College.
[9][6] De Zoysa was the Chairman of the Kalutara Urban Council and was elected to the Senate of Ceylon in 1947.
He was elected President of the Senate of Ceylon in 1955 succeeding Sir Nicholas Attygalle and served till his retirement in 1961.