Rebecca Soni (born March 18, 1987) is an American former competition swimmer and breaststroke specialist who is a six-time Olympic medalist.

Soni has won a total of twenty-two medals in major international competition, fourteen gold, seven silver, and one bronze spanning the Olympics, the World, the Universiade, and the Pan Pacific Championships.

In the 200-meter breaststroke at the Olympics, she set the world record en route to winning gold, shocking Australian favorite Leisel Jones.

[2][3][4] Her Jewish paternal grandfather Poli Schoenberg survived the Auschwitz concentration camp, whereas his parents lost their lives in the Holocaust.

[2][4] Her father's first marriage was to an American woman, whom he met during his studies, they resided together in the United States, but eventually had a divorce.

[13] At the 2005 Summer Universiade, Soni earned her first international medals by winning silver in the 100-meter and 200-meter breaststroke and gold in the 4×100-meter medley relay.

[15] Just a few weeks before the 2006 National Championships, Soni underwent a procedure called radiofrequency ablation to help regulate her heartbeat.

[24] At the 2008 Summer Olympics, Soni won a silver medal in the 100-meter breaststroke, finishing behind world record holder Leisel Jones of Australia 1:06.73 to 1:05.17.

"[16] Soni then combined with Natalie Coughlin, Christine Magnuson, and Dara Torres in the 4×100-meter medley relay to finish second behind Australia.

[32] At the 2009 World Aquatics Championships, held in Rome, Soni set a meet record in the heats of the 100-meter breaststroke, with a time of 1:05.66.

[36][37] Despite being the favorite in the 200-meter breaststroke, Soni went out too fast in the first half of the race and faded in the final meters, ultimately placing fourth.

[38] In the 50-meter breaststroke, Soni was narrowly beaten for the gold and the world record by two one-hundredths (0.02) of a second by Russian swimmer Yuliya Yefimova.

[43][44] In the 200-meter breaststroke, Soni easily won with a time of 2:21.60, almost five seconds ahead of second-place finisher Amanda Beard.

[47] Less than an hour after the event, Soni competed in the 4×100-meter medley relay with Natalie Coughlin, Dana Vollmer and Jessica Hardy.

[49] At the end of 2010, Soni competed at the 2010 World Short Course Championships in Dubai, where she won three gold medals and one silver.

[52] In the 4×100-meter medley relay, Soni won gold with Natalie Coughlin, Dana Vollmer, and Missy Franklin with a time of 3:52.36, over three seconds ahead of second-place finisher China.

In her final event, the 4×100-meter medley relay, she won gold with Missy Franklin, Dana Vollmer and Allison Schmitt.