John Fennell (born May 28, 1995) is an American-Canadian luger who has competed since 2011.

[3][4] His brother David Fennell Jr. played fullback on the Michigan State football team.

[3] Fennell competed well at the Sochi Olympics, but since he did not finish in the top 10.

As a result, in order to fulfil his funding needs, Fennell launched a fundraising campaign on the sports crowdfunding platform MAKEACHAMP on December 12, 2014.

In 2016, Fennell took advantage of his dual Canadian-U.S. citizenship and competed for a spot on the U.S. National team.