Towersey Festival is an annual festival of folk, world music and traditional dance, previously held in the village of Towersey, relocated to neighbouring Thame in Oxfordshire, England through 2019. It moved to the Claydon Estate Middle Claydon in Buckinghamshire from 2020. It has taken place every August bank holiday weekend since its founding in 1965.

Towersey is a village and civil parish about 1+1⁄2 miles (2.4 km) east of Thame in Oxfordshire. Towersey was part of Buckinghamshire until 1933, when the county boundary was moved and Towersey was exchanged for Kingsey. The 2011 Census recorded Towersey parish's population as 433.