Nikaea is a genus of tiger moths in the family Erebidae.

The genus consists of two species.

• Nikaea longipennis (Walker, 1855)
  • Found in Kumaon, Nepal, Sikkim, Assam, China (Sichuan, Yunnan, Shaanxi, Hubei, Jiangxi, Zhejiang, Fujian).
• Nikaea matsumurai Kishida, 1983
  • Found in Taiwan and Ryukyu in Japan.

• Pitkin, Brian & Jenkins, Paul. "Search results Family: Arctiidae". Butterflies and Moths of the World. Natural History Museum, London.
• Savela, Markku. "Nikaea Moore, 1879". Lepidoptera and Some Other Life Forms. Retrieved February 10, 2018.