Foothill High School (FHS) is a public high school in Pleasanton, California, United States.

It was established in 1973 and is part of the Pleasanton Unified School District.

It is a fully accredited WASC school, with its six-year WASC accreditation approved in the 2018–2019 school year.

It was recognized as a California Distinguished School in 1994, 2001, 2005 and 2019.

It was a 2002 nominee, and a 2006 winner of the National Blue Ribbon Award.