MacMillan Space Centre, is an astronomy museum located at Vanier Park in Vancouver, British Columbia.

Today the museum includes an exhibit gallery and demonstration theatre where public lectures and events are hosted.

The Space Centre is named after H. R. MacMillan, a local lumber magnate and philanthropist, who paid for the inclusion of the Planetarium Theatre into the design of the Centennial Museum Building.

[2] The building was designed in the 1960s by architect Gerald Hamilton[4] to house what was then called The Centennial Museum.

MacMillan Planetarium until its re-branding in the 1990s when it expanded to include exhibit space into one of the wings of the building it shares with the Museum of Vancouver.