Yeşilbaşköy is a belde (town) in Ağlasun district of Burdur Province, Turkey. It is situated slightly to the northwest of the road connecting Burdur to Ağlasun at . The distance to Ağlasun is and to Burdur is . The population of Yeşilbaşköy was 1511 as of 2013. The town is an old settlement. According to oral tradition, about 750 years ago it was founded by three men. In 1978 it was declared a seat of township. Town economy depends on cherry farming. (Cherries are locally called "red diamond") Peach, rose and salmon are also produced.