2017 IAAF World Relays
| Host city | Nassau, Bahamas |
|---|---|
| Events | 9 |
| Dates | 22–23 April 2017 |
| Main venue | Thomas Robinson Stadium |
The 2017 IAAF World Relays was the third edition of the biennial, global track and field relay competition between nations. It was held April 22–23, 2017, in Nassau, Bahamas.
The distance medley relay, an innovation at the 2015 World Relays, was dropped from this year's schedule. A mixed-gendered 4 × 400 m relay race was introduced.