Nicola Jackson (born 19 February 1984)[2] is a British former competitive swimmer who won two world championships in relay events.

In 1999, Jackson won a silver medal at the World Short Course Championships in the 4×200-metre freestyle relay.

The next year, at the 2000 FINA World Swimming Championships (25 m), she won a bronze medal in the 50-metre butterfly, and a gold medal as part of Great Britain's world-record-breaking 4×200-metre freestyle relay team.

[3] Jackson swam in the 2000 Summer Olympics in Sydney, as a member of Great Britain's 4×200-metre freestyle relay team, which finished in sixth place.

[4] At the ASA National British Championships she won the 50 metres butterfly title in 1999.