Chain Reaction is a studio album by Australian singer John Farnham. The album was released in Australia on September 24th 1990 on CD, cassette tape and LP.

It was the highest selling album in Australia that year, debuting at #1 on the ARIA charts.

The album had four singles released under it, the first three of them yielding top 10 status, with the title track reaching #3 in August, "That's Freedom" at #5 in September and "Burn For You" reaching #5 in December. A fourth single, "In Days to Come", was released early the following year, peaking at #41.