Khan "Bob" Malaythong (born 10 April 1981 in Vientiane, Laos) is an American badminton player.

He qualified for the U.S. badminton team as a doubles competitor at the 2008 Summer Olympics.

Malaythong portrayed a Chinese badminton player in a Vitamin Water commercial starring David Ortiz and Brian Urlacher.

[2] Bob Malaythong won the U.S. National Badminton Championships six times in the men's doubles event, in partnership with Tony Gunawan in 2003 and with Howard Bach in 2005, 2006, 2007, 2008 & 2009.

Malaythong now currently coaches at the Synergy Badminton Academy in Menlo Park, CA, along with fellow Olympian and long-time friend, Raju Rai.