Ailao or Ai Lao may refer to:
- Ailao Mountains, Yunnan, China
- 'Ailao, a traditional Samoan dance, a precursor to the Taualuga
- Ailao, an ancient tribal alliance country, now Dehong Dai and Jingpo Autonomous Prefecture
- Ailao toad (Bufo ailaoanus), a species of toad endemic to China
- Ai Lao (r. 1476–1501), Saopha of Kengtung