Rataplan was a science fiction fanzine by Leigh Edmonds and Diane Bangsund.
Rataplan was published in Victoria, Australia. The first issue appeared in 1969. It was distributed in the U.S.A. through APA-45.
Rataplan contained editorials, fiction, fanzine and book reviews, convention reports, and letters.
Contributors of writing included John Bangsund, Bernie Bernhouse, Damien Broderick, Elton Elliot, Bob Gerrand, Ron Graham, Lesleigh Luttrell.
Rataplan was nominated for a Ditmar Award for Best Fanzine in 1969 and 1973, and won the award in 1984. It was also nominated for a Hugo Award in 1985.