2012 Samsung Securities Cup – Women's singles

Hsieh Su-wei was the defending champion but decided not to participate.

Erika Sema won the tournament, defeating Mai Minokoshi in the final, 6–1, 7–5.

Seeds
• # Donna Vekić (quarterfinals)

• # 🇯🇵 Erika Sema (champion)

• # 🇰🇷 Han Sung-hee (quarterfinals)

• # 🇭🇰 Venise Chan (quarterfinals)

• # 🇯🇵 Mai Minokoshi (final)

• # 🇺🇿 Nigina Abduraimova (first round)

• # 🇯🇵 Chiaki Okadaue (first round)

• # 🇰🇷 Lee So-ra (first round)