2010 in swimming
2010 in swimming documents the highlights of competitive international swimming during 2010.
Major events
World
- 15-19 August: Swimming at the 2010 Summer Youth Olympics in Singapore
- 18-22 August: 2010 Pan Pacific Swimming Championships, Irvine, California, USA
- 4-13 October: Swimming at the 2010 Commonwealth Games in Delhi, India
- 15-19 December: FINA World Swimming Championships (25 m) in Dubai, United Arab Emirates
Regional
- 29 January-8 February: Swimming at the 2010 South Asian Games in Dhaka, Bangladesh
- 18–23 July: Swimming at the 2010 Central American and Caribbean Games, Mayaguez, Puerto Rico
- 4-16 August: 2010 European Aquatics Championships in Budapest, Hungary
- 13–29 September: 2010 African Swimming Championships
- 12-27 November: Swimming at the 2010 Asian Games in Guangzhou, China
- 25-28 November: 2010 European Short Course Swimming Championships in Eindhoven, Netherlands
Other events
National championships
;Long course| Dates | Event | City |
| 16-21 March |  Other major meets
Paralympic swimming
|