Patxi Usobiaga Lakunza, best known as Patxi Usobiaga, is a 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.

The IFSC Climbing World Cup is a series of competition climbing events held during the year at various locations around the world, organized by the International Federation of Sport Climbing (IFSC). At each event, the athletes compete in three disciplines: lead, bouldering, and speed. The number of events varies from year to year, and the winners for each discipline are decided by the points accumulated in the year.