Queralt Castellet Ibáñez (born 17 June 1989 in Sabadell) is a Spanish snowboarder.
She was silver medalist at the 2015 World Championships.
She competed at the 2006 Winter Olympics, and finished tenth in halfpipe at the 2007 World Snowboard Championships.
During the 2007-08 Snowboarding World Cup circuit she placed on the podium three times, and overall she placed third in the halfpipe section of the 2007–08 World Cup.
At the 2010 Winter Olympics she scored a 44.3 on her first qualifying run, third highest.
However, she suffered a concussion while practicing in the lead-up to the final and was subsequently forced to withdraw.
At the World Cup, she has five victories, and seven additional podiums in halfpipe, and another podium in big air.