Takao may refer to:
- Mount Takao - a mountain in Tokyo, Japan
- Mount Takao - a mountain in Kyoto, Japan
- Kaohsiung, Taiwan: The Taiwanese and Japanese name before administration of Taiwan (Formosa) was handed to the Republic of China (also seen as Takau, Takow or Takaw)
- Japanese steam warship Takao in service during the Boshin War of 1868–9 (same characters as Kaohsiung)
- Japanese cruiser Takao - an unprotected cruiser of the early Imperial Japanese Navy from 1888-1911
- Japanese cruiser Takao - a heavy cruiser of the Imperial Japanese Navy from 1930 to 1946
- Takao is the name of the first single from the album Takasago Army by Taiwanese metal band Chthonic.
- The Takao train stations in Japan
- Given name of the beyblade character Tyson Granger in the original Japanese version