Beier Ko (born 17 July 1986) is a Canadian-Singaporean former professional tennis player.

[1] Beier won 1 single title in 2002 on the ITF Women's Circuit in Toronto.

She decided to follow the college route and played for the Harvard University Crimson varsity tennis team from 2007 to 2009.

[2] In 2009, Beier Ko was undefeated and unanimously named Ivy League Player of the Year.

[6] In 2016, Ko married technology executive, Reed Wotiz who has led teams at Microsoft, Meta, Oracle, and Indeed.