Bandaranayake College, Gampaha () is a boys' school in Gampaha, Sri Lanka, founded on 18 September 1918. The school has a student population approximately 6,000 across 8 grades from grade 6 to advanced level classes, on a campus of . Boys are admitted at grade six, based on the results of an island-wide Scholarship Examination.
In 1918, this school was established as Henarathgoda Seewali Buddhist School at the place where Yasodara Devi Balika Vuidyalaya is presently located. Charles Samarasooriya was the first principal of the school. In 1949, the school was established as the Henarathgoda Senior Secondary School, and then it was established as the Henarathgoda Secondary English School at its present location. When the school was established at its current location, Jinadasa Munasinghe was the principal.
In 1923, this school was promoted as a first grade school. It had been a mixed-sex school up to 1985, when it became a single sex (male) school. On 25 May 1993, the school was advanced to the national level as, Bandaranayake Vidyalaya.
The students are divided into four houses:
These houses are named after great ancient Sri Lankan kings.