Jacob Mills (born 5 September 2007) is a swimmer from England.
In 2024, Mills was selected for the Great Britain junior squad for the 2024 European Junior Swimming Championships in Vilnius, Lithuania, where he won a bronze medal in the freestyle relay.
In 2025, Mills broke two British records for the age categories for 17 and 18-year-olds, recording 48.11 seconds in the qualifying heats of the 100 metres freestyle event at the 2025 Aquatics GB Swimming Championships.
In the final, Mills finished second to Matt Richards, which sealed a qualification place for the 2025 World Aquatics Championships in Singapore. Mills also finished runner-up to Ben Proud in the 50 metres freestyle. Subsequently, at the World Championships, he placed fourth in the final of the freestyle relay.