White, the top US snowboarder, and South Korean figure skater Kim both earned $8 million last year, leading all athletes for the Winter games, according to Forbes magazine.
The list excluded all salaried professional athletes, including players from the National Hockey League.
White, known to many as "The Flying Tomato" because of his long red hair, is a favorite to repeat as a gold medalist at the Winter Games in Vancouver this month. Among his sponsors are such companies as Target Corp, Red Bull, Oakley and AT&T Inc.
Kim, the reigning world champion and known as "Queen Yu-na," is South Korea's hope for its first figure skating gold medal.
The 19-year-old's sponsors include Hyundai Motor Co, Procter & Gamble Co and Nike Inc. Forbes previously named her the most powerful celebrity in South Korea for 2009.
Rounding out the top five were skiers Lindsey Vonn ($3 million) and Ted Ligety ($2 million), and speed skater and "Dancing with the Stars" 2007 champion Apolo Anton Ohno ($1.5 million).
Olympic athletes rely more on corporate backers for their earnings than winnings from competition, but the recent downturn has made it harder to turn gold medals into lucrative sponsorship deals, the magazine said.
Forbes looked at earnings derived from prize money, endorsements, licensing income and bonuses in 2009 and does not deduct for taxes or agents' fees.