Chameleon is a financial thriller novel written by hedge fund manager Richard Hains set during the subprime mortgage crisis, first published by Beaufort Books in 2006.

To promote Chameleon, Hains started a contest offering an all-expense-paid weekend to London, where someone could enter by reading the book and answering three questions.

[3][4][5] Publishers Weekly wrote that "Hedge fund partner Hains's strong suit is insider financial info, but the basic plot, characters and writing are all formulaic.

There's a continuing, valiant attempt to heat up the action with a variety of lurid sexual encounters, but even this effort can't lift what's run-of-the-mill into out-of-the-ordinary.

"[3] Herald Sun wrote that "the book is an attempt at Da Vinci Code meets Wall Street.