Tasik Biru is a state constituency in Sarawak, Malaysia, that has been represented in the Sarawak State Legislative Assembly since 1979.
The state constituency was created in the 1977 redistribution and is mandated to return a single member to the Sarawak State Legislative Assembly under the first past the post voting system.
As of 2020, Tasik Biru has a population of 29,670 people.
According to the gazette issued on 31 October 2022, the Tasik Biru constituency has a total of 26 polling districts.