Joseph "Joe" Halpin Fargis IV (born April 2, 1948) is an American showjumper and Olympic champion.

[3] Fargis learned to ride with trainer Jane Dillon at her Junior Equitation School in Vienna, Virginia.

In 1966 he went to Francis Rowe's Foxwood Farm in Crozier, Virginia and stayed there for the next twelve years, until he began training with Bertalan de Nemethy.

[9] The pair set an Olympic record as they faulted only a single time throughout the competition, jumping clear over 90 of 91 obstacles.

[11] At the 1988 Summer Olympics Fargis, riding Irish-bred mare Mill Pearl, won team silver and finished seventh as an individual.

[17] Fargis won the $5,000 welcome stake on July 19, 2012, at the Chagrin Valley Hunter Jumper Classic and the $30,000 Duke Children's Grand Prix on November 9, 2013.

Fargis had a serious fall at the 2014 Lexington Spring Encore, suffering broken ribs and a punctured lung as well as internal bleeding.

[18] Fargis has been called "a leading figure in showjumping" and received the 2012 Lifetime Achievement Award from the US Equestrian Federation.