Patxi Usobiaga Lakunza (born September 7, 1980), best known as Patxi Usobiaga, is a Basque Spanish professional rock climber, sports climber and boulderer.

He is known for winning two Lead Climbing World Cups in a row, and for being the first-ever climber in history to onsight an 8c+ (5.14c) route.

In 2009 he won the Lead Climbing World Championships in Qinghai (CHN).

[3] At the end of 2009 he underwent a shoulder surgery and after three months of rehabilitative therapy he started training again.

In June 2010 a car accident caused a painful slipped disk.