Takaki (written: 高木 or 髙木) is a Japanese surname. Notable people with the surname include:
Jumpei Takaki (高木 純平) (born 1982), Japanese footballer
Narita Takaki (髙木 成太) (born 1977), Japanese footballer
Takaki Kanehiro (高木 兼寛) (1849–1920), Japanese physician
Rie Takaki (高木 理江) (born 1983), Japanese volleyball player
Ronald Takaki (1939–2009), American historian
Yoshiaki Takaki (高木 義明) (born 1945), Japanese politician
Yuya Takaki (高木 雄也) (born 1990), Japanese Idol
Takaki (written: 貴葵 or 貴樹) is also a masculine Japanese given name. Notable people with the name include:
Takaki Shigemitsu (重光 貴葵) (born 1983), Japanese footballer
