"On Our Own" is a song by American singer Bobby Brown from the soundtrack of the 1989 Columbia motion picture Ghostbusters II.

It peaked at number one on the US Billboard Hot Black Singles chart for one week and at number two on the Billboard Hot 100 for three weeks.

Outside the US, it reached number one in New Zealand for three weeks and became a top-five hit in Canada, Ireland, and the United Kingdom.

The video features several guest appearances by celebrities including Jane Curtin, Malcolm Forbes, Iman, Sally Kirkland, Rick Moranis, Joey and Marky Ramone of the Ramones, Christopher Reeve, Lori Singer, Doug E. Fresh, and Donald Trump.

Additionally, there are scenes from Ghostbusters II, interspersed with New York City locations such as the Trump Tower, World Trade Center, and Plaza Hotel.