Competitors for 1977 World Wrestling Championships - Freestyle
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Shukri Akhmedov |  BUL |
WRE | |
| Viktor Alekseyev |  URS |
WRE | 8 February 1956 |
| Soslan Andiyev | URS |
WRE | 21 April 1952 |
| Magomedkhan Aratsilov | URS |
WRE | 7 May 1951 |
| József Balla |  HUN |
WRE | 27 July 1955 |
| Mansour Barzegar |  IRI |
WRE | 28 February 1947 |
| Anatoly Beloglazov | URS |
WRE | 16 September 1956 |
| Aslanbek Bisultanov | URS |
WRE | |
| Harald Büttner |  GDR |
WRE | 13 April 1953 |
| Miho Dukov | BUL |
WRE | 29 October 1955 |
| Stan Dziedzic |  USA |
WRE | 5 April 1949 |
| Nobuo Fujisawa |  JPN |
WRE | |
| Marin Gerchev | BUL |
WRE | |
| James Humphrey | USA |
WRE | |
| Kim Hwa-Gyeong |  KOR |
WRE | 18 July 1949 |
| István Kovács | HUN |
WRE | 27 June 1950 |
| Aleksandar Nanev | BUL |
WRE | 9 November 1958 |
| Uwe Neupert | GDR |
WRE | 5 August 1957 |
| Pavel Pinigin | URS |
WRE | 12 March 1953 |
| Anatoly Prokopchuk | URS |
WRE | |
| Vasile Pușcașu |  ROU |
WRE | 2 May 1956 |
| Hartmut Reich | GDR |
WRE | 5 July 1956 |
| Jack Reinwand | USA |
WRE | |
| Tadashi Sasaki | JPN |
WRE | 11 January 1953 |
| Adolf Seger |  GER |
WRE | 2 January 1945 |
| Šaban Sejdi |  YUG |
WRE | 6 May 1959 |
| Władysław Stecyk |  POL |
WRE | 14 July 1951 |
| Yuji Takada | JPN |
WRE | 17 February 1954 |
| Vladimir Yumin | URS |
WRE | 18 December 1951 |
| Zevegiin Oidov |  MGL |
WRE | 14 August 1950 |