right|thumb|Frontispiece for Felix on the Bat by [[George Frederic Watts |alt=Cricketer riding a giant bat]]
Nicholas Wanostrocht (5 October 1804 – 3 September 1876), known as Nicholas Felix, was an English amateur "gentleman" cricketer, classical scholar, musician, linguist, inventor, writer and artist. He was one of the few players who – at his request – was routinely known by his pseudonym, Felix.