The 1986 Asian Games (Korean: 1986년 아시아 경기대회/1986년 아시안 게임, romanized: Cheon gubaek palsip-yuk nyeon Asia gyeonggi daehoe/Cheon gubaek palsip-yuk nyeon Asian Geim), officially known as the 10th Asian Games and the X Asiad (Korean: 제10회 아시아 경기대회/제10회 아시안 게임, romanized: Jesiphoe Asia gyeonggi daehoe/Jesiphoe Asian Geim) and commonly known as Seoul 1986 (Korean: 서울 1986, romanized: Seoul Cheon gubaek palsip-yuk) were held from 20 September to 5 October 1986, in Seoul, South Korea. The venues and facilities of the 10th Asiad were the same venues and facilities that would be used in the 1988 Summer Olympics, as it was considered a test event.

Seoul had previously been scheduled to host the 1970 games, but it received security threats from neighbouring North Korea, forcing it to give up hosting the games to previous 1966 host Bangkok, Thailand.

Baghdad, Iraq, Pyongyang, North Korea and Seoul, South Korea were the bidding cities for the Games, but during the process Baghdad and Pyongyang withdrew, leaving Seoul as only bidding city.^[2]

Communist states Mongolia, Vietnam, Laos, Cambodia, Afghanistan, and South Yemen, as well as Burma, Syrian Arab Republic and Brunei Darussalam boycotted the Games in support of the North Korea failed proposol to host some events during the 1988 Summer Olympics. However,People's Republic of China, which was set to host the next games in Beijing,send a high profile delegation, and ultimately finished at the top of the medal table. Two years later, all except North Korea participated at the 1988 Summer Olympics, although Brunei sent only one official and no athletes.

A North Korean spy detonated a bomb behind a vending machine in Gimpo International Airport and killed five people, including a South Korean delegate, just a few days before the Games started.

The following 27 nations participated.^[3]

The official mascot for the 1986 Asian Games was Hodori the tiger, which was also the mascot of the 1988 Summer Olympics.

The following venues were used during the Games.^[1]

The top ten ranked NOCs at these Games are listed below. The host nation, South Korea, is highlighted.

  *   Host nation (South Korea)

More information Rank, Nation ...

Rank	Nation	Gold	Silver	Bronze	Total
1	China (CHN)	94	82	46	222
2	South Korea (KOR)*	93	55	76	224
3	Japan (JPN)	58	76	77	211
4	Iran (IRN)	6	6	10	22
5	India (IND)	5	9	23	37
6	Philippines (PHI)	4	5	9	18
7	Thailand (THA)	3	10	13	26
8	Pakistan (PAK)	2	3	4	9
9	Indonesia (INA)	1	5	14	20
10	Hong Kong (HKG)	1	1	3	5
11–22	Remaining	3	16	35	54
Totals (22 entries)		270	268	310	848

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• 1986 Asian Winter Games
• 1988 Summer Olympics
• 2002 Asian Games
• 2014 Asian Games