thumb|First edition (publ. [[Henry Holt and Company|Henry Holt)]]
Wormholes: Essays and Occasional Writings () is a book containing writings from four decades by the English author John Fowles. It was published in 1998. Most of the contents are short, non-fiction pieces that had been written for various purposes since 1963, including forewords to other authors' books, and pieces written for science journals or other periodicals.