Lalin Jirasinha (born 23 June 1958) is a former Sri Lankan male sailor.

He competed at the Summer Olympics on two occasions - in 1984 Summer Olympics held in Los Angeles at the age of 26 and later after 16 years, again he participated in the event in 2000 Summer Olympics which was held in Sydney at the age of 42.

During the 1984 Summer Olympics, he was the flagbearer for Sri Lanka.

At the 1998 Asian Games, he won the bronze medal in the sailing - Enterprise event.

This biographical article related to sailing in Sri Lanka is a stub.