Jeremy Porter Linn (born 6 January 1975) is an American former competition swimmer, Olympic medalist, and former world record-holder. Linn set an American record in the 100-meter breaststroke while winning the silver medal in that event at the 1996 Atlanta Olympic Games. He also provides swim clinics at the Alligator Reef Lighthouse Swim in Islamorada, Florida together with Jon Olsen.
In Atlanta, Mark Henderson, Gary Hall Jr., Jeff Rouse, and Linn set a new world record in the men's 400-medley medley relay. Linn is known for his unusual warm-up routine and unorthodox swim sets. A typical set consists of flips off the blocks. Linn has been given the nickname "The Goat" due to his facial hair.
Linn attended the University of Tennessee from 1995 to 1998 where he was a seventeen-time NCAA All-American in swimming. Linn won eleven SEC swimming titles-six individual and five relay. He also helped the Tennessee Volunteers win an SEC team championship in 1996. At the national level, he won four individual NCAA titles. Linn held the NCAA and US Open record in the 100 yard breaststroke until 2007.
Linn was the Senior Coach at the QDD Swim Team in Manassas, Virginia from September 2004 until August 2007. He coached three swimmers to National Championship qualifying times and he also coached three of the four QDD women in the 200 Free Relay to the VSI State Senior Championships for short course in 2007, breaking the meet record and nearly breaking the five year old state record. Linn coached 11 QDD athletes whom achieved USA Swimming's Scholastic All American status for the 2006–07 school year, Linn coached for Tar Heel Aquatic Team, in Durham-Chapel Hill, North Carolina from August 2007 to December 2007. He now coaches for the Curl-Burke swim team in northern Virginia.