Murkel Dellien

Murkel Alejandro Dellien Velasco (born 16 September 1997) is a Bolivian tennis player. He has a career-high ATP singles ranking of No. 213, achieved on 17 June 2024. He is the current No. 2 Bolivian tennis player. He also has a career-high ATP doubles ranking of No. 174 achieved on 1 April 2024. Dellien represents Bolivia at the Davis Cup, where he has a W/L record of 1–0.

College career
Dellien played college tennis at Wichita State.

Professional career
In 2021 Dellien defeated Zizou Bergs in his first Davis Cup rubber.

Personal life
He is the younger brother of fellow tennis player Hugo Dellien. Their father, Hugo Eduardo Dellien, represented Beni Department as a substitute member of the Chamber of Deputies for the Social Democratic Power alliance from 2006 to 2010.