"On Our Own" is a song by Bobby Brown recorded in April 1989 and released the following month as a single from the Ghostbusters II soundtrack. It peaked at number one on the U.S. Billboard R&B chart for one week. It peaked at number two on the Billboard Hot 100 pop chart for three weeks, kept from the top spot by a combination of Prince's "Batdance" and Richard Marx's "Right Here Waiting". It reached number four on the UK Singles Chart. The song appears in the next-gen versions of Grand Theft Auto V on Non-Stop Pop FM.

The video was filmed in May 1989 and released in June. 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.

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