Interest in women’s sports has grown steadily over the years. For female athletes, the money is flowing in. Some of the world’s richest female athletes have amassed great wealth. Serena Williams officially retired in 2022, but she is one of the richest female athletes in the world. This is due to her tennis winnings, endorsements, and business ventures.
Simone Biles is considered one of the best gymnasts of all time, and her earnings reflect this. Young and upcoming female tennis players are some of the highest-paid athletes in the world. Eileen Gu is a young professional skier whose net worth is constantly rising.
Serena Williams
Serena Williams has an estimated net worth of about $340 million. She won over $94 million in prize money over the course of her illustrious tennis career. Serena officially retired from professional tennis after the 2022 US Open. Some of her lucrative endorsements were for Nike and Gatorade. Her company, Serena Ventures, has invested over $100 million in various start-ups.
Betting on the Grand Slam tennis tournaments is popular in the U.S., especially betting on the U.S. Open. Serena Williams won the U.S. Open six times. It is legal to bet on sports in 39 states and Washington, D.C. PA sports betting offers a full range of sports betting options on sports like tennis.
Coco Gauff
Gauff is the third tennis star to earn over $30 million in a given year, after Serena Williams and Naomi Osaka. She earned $9.4 million in prize money but took in more than twice that amount off the court.
She added two new deals to her endorsement portfolio in 2024. One was with L’Oréal to pitch its natural hair care brand. She was also named chief smoothie officer for Naked Juice.
Eileen Gu
Eileen Gu is American-born but has a Chinese mother and competes for China as a professional skier. She has a net worth of over $22 million. The skier began competing for China in 2019 and made her debut in the 2022 Olympics in Beijing. Her prize money amounts to about $62,000. Partnering with American and Chinese brands has also brought in significant amounts of money.
The skier has appeared on the covers of the Chinese editions of many magazines, such as Vogue and Marie Claire. She is in demand as a model and as a brand endorser. A global sponsorship with Porsche is her latest endorsement.
Iga Świątek
The Polish professional tennis player has a net worth of around $23.8 million, according to Forbes. This amount is rising rapidly for the global tennis star. She is currently No. 2 in the world tennis rankings and has won 22 singles titles over her career as of March 2025. Her first win was the French Open in 2020, where she didn’t drop a single set throughout the tournament.
Her endorsements with brands like Asics, Rolex, Tecnifibre, and Polish brands have brought in about $13 million. She is the first female tennis player that the Swiss company On sponsors. The top male athletes generally earn more than the top females when it comes to endorsements, but the gap is starting to close.
Simone Biles
American gymnast Simone Biles is estimated to have a net worth of $25 million. She has 11 Olympic medals and 30 World Championship medals. Her endorsements with brands like Athleta and Visa bring in about $5 million a year and potentially up to $10 million in some years.
She has partnered with GK Elite for her own line of leotards and has been a spokesperson for Core Power. Her earnings also got a boost from the Netflix documentary Simone Biles Rising, and she has written an autobiography. Biles enjoys activities like hiking in her spare time.
Zheng Qinwen
Zheng was the 2022 WTA Newcomer of the Year. The breakout 22-year-old tennis star has made an estimated $20.6 million, including $15 million off the court. She won her first event in 2023 and was the first Asian tennis player to win an Olympic gold medal in singles at the Paris Olympics in 2024.
Zheng is now ranked fifth in the world and has endorsements with brands like Nike, Lancome, and Rolex. Her prize as runner-up to Gauff at the WTA Finals was worth $2.3 million.
