Volleyball
- Men's Team Competition
- Round Robin
-
- Lost to Soviet Union (0-3)
- Defeated Brazil (3-0)
- Defeated Bulgaria (3-2)
- Defeated Netherlands (3-0)
- Defeated South Korea (3-2)
- Defeated Hungary (3-1)
- Lost to Czechoslovakia (1-3)
- Lost to Japan (0-3)
- Defeated United States (3-1) → Fourth place
- Team Roster
-
- Gheorghe Fieraru
- Horaţiu Nicolau
- Aurel Drăgan
- Iuliu Szőcs
- William Schreiber
- Mihai Grigorovici
- Davila Plocon
- Nicolae Bărbuţă
- Eduard Derzsi
- Mihai Chezan
- Constantin Ganciu
- Mihai Coste
- Women's Team Competition
- Round Robin
-
- Lost to Soviet Union (0-3)
- Lost to Japan (0-3)
- Defeated United States (3-0)
- Defeated South Korea (3-0)
- Lost to Poland (0-3) → Fourth place
- Team Roster
-
- Ana Mocan
- Cornelia Lăzeanu
- Natalia Todorovschi
- Doina Ivănescu
- Doina Rodica Popescu
- Sonia Colceru
- Lia Vanea
- Alexandrina Chezan
- Ileana Enculescu
- Elisabeta Goloşie
- Marina Stanca
Read more about this topic: Romania At The 1964 Summer Olympics