Gastineau may refer to:
People
edit- Henry Gastineau (1791–1876), English engraver and painter
- Mark Gastineau (born 1956), American football player
Other uses
edit- Alaska-Gastineau Mine, Alaska, USA
- Gastineau Channel, Alaska, USA
- The Gastineau Girls, an American reality series
- Gastineau Peak, a mountain in Juneau, Alaska, USA
- Gastineau Range, a small mountain range in British Columbia, Canada