The Professional Ski Instructors of America and American Association of Snowboard Instructors (PSIA-AASI) is a nonprofit education association involved in ski instruction.

PSIA-AASI establishes certification standards for snowsports instructors and develops education materials.

PSIA-AASI supports instructional programs in alpine skiing, snowboarding, telemark skiing, cross-country skiing, and para-alpine skiing.

PSIA-AASI’s national office is in Lakewood, Colorado, and there are eight regional divisions across the country: Central, Eastern, Intermountain, Northern Intermountain, Northern Rocky Mountain, Northwest, Rocky Mountain, and Western.