Aquatics at the 2005 East Asian Games

Aquatics at the 2005 East Asian Games in Macau, included competition in 3 disciplines:
 * Swimming (2–6 November); swum in a 50m pool (i.e. "long course meters")
 * Diving (30 October - 1 November)
 * Synchronized Swimming (3–5 November).

Schedule
Prelims began at 9:00 a.m.; Finals at 7:00 p.m. These Games marked the first time the 50s of stroke (50 back, 50 breast, 50 fly) were sum at the Games; consequently, new Games Records (GR) were established in each of these events.

Participating countries

 * 🇨🇳 China
 * Chinese Taipei
 * 🇬🇺 Guam
 * 🇭🇰 Hong Kong
 * 🇰🇵 North Korea
 * 🇯🇵 Japan
 * 🇰🇷 South Korea
 * Macau
 * 🇲🇳 Mongolia