Jack Holder (born 23 March 1996) is an Australian motorcycle speedway rider.

[3] He was part of the Plymouth team that won the Premier League Four-Team Championship, which was held on 23 and 24 July 2016, at the East of England Arena.

[14] In 2023, he was part of the Australian team that finished fourth in the 2023 Speedway World Cup final.

[19] In 2024, he also helped Australia secure a silver medal at the 2024 Speedway of Nations in Manchester[20] and won the Knockout Cup with Sheffield.

[21] Also in 2024, he helped Lublin win the Ekstraliga during the 2024 Polish speedway season[22] and won the NSW title for the sixth successive year.