Irrawaddy may refer to:
- Irrawaddy River, the main river of Burma
- Irrawaddy Delta, a rice growing region of the country
- Ayeyarwady Region, an administrative division of Burma
- The Irrawaddy, a Burmese news publication based in Chiang Mai, Thailand
- Irrawaddy Dolphin, a dolphin which is found in the Irrawaddy River
- Waters of Irrawaddy, the first song in the soundtrack of the film Beyond Rangoon composed by Hans Zimmer