Siri Arun Budcharern (born 12 January 2002) is a swimmer from Laos.
She competed at the 2016 Summer Olympics in the Women's 50 m freestyle and finished 76th with a time of 32.55 seconds.
She did not advance to the semifinals, which required a top 16 finish in the heats.Leading up to the Games, Budcharern trained in a 25 m public pool in Vientane, half the length of an Olympic-sized venue.
She had to share the pool with children taking swimming lessons and splashing, and the pool deck was often covered in beer bottles from previous parties.