William Holden Walker (16 December 1835 – 14 June 1886) was an English-born Australian cricketer. As captain of the Tasmanian cricket team, Walker was one of Tasmania's leading cricketers of his time. Known for his all-round capabilities, he was a right-handed batsman and an underarm bowler, as well as keeping wicket. Walker was named in the Cricket Tasmania Premier League's "Team of the Decade" for the decade spanning 1866–67 to 1875–76.