Joe Taimanglo (born June 27, 1984) is a Guamanian professional mixed martial artist of Chamorro ethnicity who competes in Bellator's Bantamweight division. A professional competitor since 2004, Taimanglo has also formerly competed for Pacific Xtreme Combat and DEEP.

Born and raised in Yona, Guam, Taimanglo competed in football, and was talented, competing at the professional level on his Island and won Defensive Player of the Year honors in 2004.

Taimanglo started his professional career in 2004. He fought mainly for Guam-based promotion Pacific Xtreme Combat.

Taimanglo faced Harris Sarmiento on October 29, 2011 at PXC 27 for the vacant featherweight title. He defeated Sarmiento after five rounds and became the new PXC featherweight champion.

Taimanglo faced Jang Yong Kim on July 28, 2012 at PXC 32. He won via TKO early in the first round and retained his title.

In 2013, with a record of 17–4–1, Taimanglo signed with Bellator.

Taimanglo was scheduled to make his promotional debut against Shah Bobonis on March 28, 2013 at Bellator 94. However, Bobonis had problems in making weight and was replaced by Ronnie Rogers. Taimanglo won via submission due to a north-south choke in the second round.

Taimanglo faced Andrew Fisher on September 13, 2013 at Bellator 99 in the quarterfinal match of Bellator season nine featherweight tournament. He won via unanimous decision (29-28, 29-28, 29-28) and advanced to the semifinals.