2018 BWF World Championships – Women's singles

The women's singles tournament of the 2018 BWF World Championships (World Badminton Championships) took place from 30 July to 5 August.

Seeds
The seeding list is based on the World Rankings from 12 July 2018.

Tai Tzu-ying (quarterfinals) 🇯🇵 Akane Yamaguchi (semifinals) 🇮🇳 P. V. Sindhu (final) 🇹🇭 Ratchanok Intanon (third round) 🇨🇳 Chen Yufei (quarterfinals) 🇨🇳 He Bingjiao (semifinals) 🇪🇸 Carolina Marín (champion) 🇯🇵 Nozomi Okuhara (quarterfinals)

🇰🇷 Sung Ji-hyun (third round) 🇮🇳 Saina Nehwal (quarterfinals) 🇹🇭 Nitchaon Jindapol (third round) 🇺🇸 Zhang Beiwen (third round) 🇨🇦 Michelle Li (second round) 🇯🇵 Aya Ohori (second round) 🇯🇵 Sayaka Sato (third round) 🇭🇰 Cheung Ngan Yi (second round)