Competitors for 2004 World Table Tennis Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Timo Boll |  GER |
TTN | 8 March 1981 |
| Zoltan Fejer-Konnerth | GER |
TTN | 20 July 1978 |
| Ai Fujinuma |  JPN |
TTN | 16 September 1982 |
| Ai Fukuhara | JPN |
TTN | 1 November 1988 |
| Guo Yue |  CHN |
TTN | 17 July 1988 |
| Sayaka Hirano | JPN |
TTN | 24 March 1985 |
| Ju Se-Hyeok |  KOR |
TTN | 20 January 1980 |
| Kim Jeong-Hun | KOR |
TTN | 21 August 1982 |
| Kim Taek-Su | KOR COR |
TTN | 25 May 1970 |
| Kong Linghui | CHN |
TTN | 18 October 1975 |
| Lau Sui Fei |  HKG |
TTN | 3 July 1981 |
| Li Ju | CHN |
TTN | 22 January 1976 |
| Liu Guozheng | CHN |
TTN | 7 March 1980 |
| Ma Lin | CHN |
TTN | 19 February 1980 |
| Niu Jianfeng | CHN |
TTN | 3 April 1981 |
| Oh Sang-Eun | KOR |
TTN | 13 April 1977 |
| Jörg Roßkopf | GER |
TTN | 22 May 1969 |
| Song Ah Sim | HKG |
TTN | 17 August 1981 |
| Christian Süß | GER |
TTN | 28 July 1985 |
| Naoko Taniguchi | JPN |
TTN | 27 September 1980 |
| Tie Ya Na | CHN HKG |
TTN | 13 May 1979 |
| Aya Umemura | JPN |
TTN | 4 December 1976 |
| Wang Hao | CHN |
TTN | 1 December 1983 |
| Wang Liqin | CHN |
TTN | 18 June 1978 |
| Wang Nan | CHN |
TTN | 23 October 1978 |
| Torben Wosik | GER |
TTN | 8 October 1973 |
| Yu Kwok See | HKG |
TTN | 26 April 1986 |
| Yu Seung-Min | KOR |
TTN | 5 August 1982 |
| Zhang Rui | HKG |
TTN | 25 January 1979 |
| Zhang Yining | CHN |
TTN | 5 October 1981 |