| Event: | Synchronised swimming – Duet routine |
| Championship: | 1973 World Aquatics Championships |
| Dates: | 3 September |
| Venue: | Tašmajdan Sports and Recreation Center |
| Location: | Belgrade, Yugoslavia |
| Competitors: | 18 |
| Nations: | 9 |
| Win Label: | Winning points |
| Win Value: | 118.3910 |
| Gold: | Teresa Andersen Gail Johnson |
| Gold Nation: | USA |
| Silver: | Jojo Carrier Madeleine Ramsay |
| Silver Nation: | CAN |
| Bronze: | Masako Fujiwara Yasuko Fujiwara |
| Bronze Nation: | JPN |
| Next: | 1975 |
The duet routine competition at the 1973 World Aquatics Championships was held on 3 September 1973.
| Rank | Nation | Divers | Points | |
|---|---|---|---|---|
| Teresa Andersen Gail Johnson | 118.3910 | |||
| Jojo Carrier Madeleine Ramsay | 112.9170 | |||
| 109.7020 | ||||
| 4 | 96.9800 | |||
| 5 | 93.5200 | |||
| 6 | 94.1420 | |||
| 7 | 91.1420 | |||
| 8 | 88.7500 | |||
| 9 | 86.7730 |