Zeb Montague Kyffin (born 23 February 1998) is a British cyclist who currently rides for UCI ProTeam Unibet Tietema Rockets.

[2] In 2017 Kyffin finished in the top ten during the 2017 British National Hill Climb Championships.

[3] In 2018 Kyffin joined the British road racing team Ribble Pro Cycling, finishing twelfth in the under-23 element of the British National Road Race Championships.

[4] In 2019 he participated in the Tour de Yorkshire,[5] the British National Road Race Championships, and the British National Time Trial Championships; he also competed in the Saudi Tour in 2020.

In 2021 after the gradual alleviation of COVID-19 restrictions in the United Kingdom, Kyffin won the Chitterne Road Race - thus, becoming the first UCI continental rider to win a British national road race since 2019.