William Erwood Otway (born 23 April 1794 in Tewin, Hertfordshire; died 1862 in Redbourn, Hertfordshire) was an English first-class cricketer associated with Marylebone Cricket Club (MCC) who was active in the 1820s.
He is recorded in two matches from 1824 to 1825, in both cases representing the Gentlemen against the Players, totalling 4 runs with a highest score of 3 and holding 2 catches.