| Champ: | Ilie Năstase |
| Runner: |  Manuel Orantes |
| Score: | 2–6, 6–1, 8–6, 6–4 |
| Type: | singles doubles |
| Draw: | 58 |
| Seeds: | 8 |
| Main Name: | Barcelona Open (tennis) Barcelona Open |
The 1973 Torneo Godó – Singles was an event of the 1973 Torneo Godó tennis tournament and was played on outdoor clay courts at the Real Club de Tenis Barcelona in Barcelona, Spain between 8 October and 14 October 1973. Jan Kodeš was the defending Torneo Godó champion but was defeated in the semifinals. First-seeded Ilie Năstase won the title by defeating second-seeded Manuel Orantes in the final, 2–6, 6–1, 8–6, 6–4.[1] [2]