Valkosel ( ) is a village in Southwestern Bulgaria. It is located in the Satovcha Municipality, Blagoevgrad Province.
The village of Valkosel is located in the Western Rhodope Mountains. It belongs to the Chech region.
According to Vasil Kanchov, in 1900 Valkosel was populated by 800 Bulgarian Muslims.
The population is Muslim.
Valkosel Ridge in Antarctica is named after the village.