2006 PTT Bangkok Open – Singles

The Czech Republic's Nicole Vaidišová was the defending champion, but decided to compete in the 2006 Kremlin Cup, which was held in the same week at Moscow, Russia.

Vania King won the title, defeating Tamarine Tanasugarn in the final. This was King's 1st title of her career.

Seeds
• 🇫🇷 Marion Bartoli (withdrew because of a right achilles injury)

• 🇪🇸 Anabel Medina Garrigues (first round)

• 🇫🇷 Nathalie Dechy (second round)

• 🇨🇿 Lucie Šafářová (second round)

• Eleni Daniilidou (quarterfinals)

• 🇺🇸 Meghann Shaughnessy (semifinals)

• 🇪🇸 Lourdes Domínguez Lino (withdrew because of a right shoulder injury)

• Jelena Kostanić (quarterfinals)

• 🇫🇷 Séverine Brémond (semifinals)

• 🇨🇴 Catalina Castaño (first round)

Seeds
• # 🇨🇳 Yuan Meng (qualified)

• # 🇯🇵 Erika Takao (qualifying competition, lucky loser)

• # Hsieh Su-wei (qualified)

• # 🇯🇵 Ryōko Fuda (qualifying competition, lucky loser)

• # 🇨🇳 Yan Zi (qualified)

• # 🇦🇷 Mariana Díaz Oliva (qualified)

• # 🇮🇳 Shikha Uberoi (qualifying competition)

• # Angelique Widjaja (qualifying competition)

Qualifiers
• # 🇨🇳 Yuan Meng

• # 🇨🇳 Yan Zi

• # Hsieh Su-wei

• # 🇦🇷 Mariana Díaz Oliva

Lucky losers
• # 🇯🇵 Erika Takao

• # 🇯🇵 Ryōko Fuda