People educated at Hamilton Boys' High School

Daniel Gillies (born 14 March 1976) is a Canadian-born New Zealander actor, film producer, director and screenwriter. He played the role of Elijah Mikaelson on the television series The Vampire Diaries and its spin-off The Originals, as well as Dr. Joel Goran on the Canadian series Saving Hope, a medical-themed show with a mystical, paranormal twist. He wrote and directed the 2012 film, Broken Kingdom.

Stan Walker (born 23 October 1990) is an Australian-born New Zealand singer, actor, and television personality. In 2009, Walker was the winner of the seventh and last season of Australian Idol. He subsequently signed a recording contract with Sony Music Australia. In December 2009, Walker released his debut studio album, Introducing Stan Walker, which included the hit single, "Black Box". The album debuted at number three on the Australian ARIA Albums Chart and was certified platinum by the Australian Recording Industry Association (ARIA). It also appeared on the New Zealand Albums Chart at number two and was certified triple platinum by the Recording Industry Association of New Zealand (RIANZ).

Aaron James Scott (born 18 July 1986) is a New Zealand footballer who plays for NZFC side Waitakere United and has represented New Zealand under 23 at the Olympics and played for the senior side, the All Whites.

Warren Joseph Cole (12 September 1940 – 17 July 2019) was a New Zealand rower who won an Olympic gold medal at the 1968 Summer Olympics in Mexico City.

Daryl John Halligan (born 25 July 1966) is a rugby league commentator and former professional player. A New Zealand international winger, he was the pre-eminent goal-kicker of his era, retiring as the highest point scorer in Australian premiership history. Halligan played club football in Australia for the North Sydney Bears and Canterbury-Bankstown Bulldogs, winning the 1995 ARL Premiership with the latter. Before switching to the professional code of rugby league, Halligan played amateur rugby union for Waikato. He played on the wing for the Canterbury Bulldogs in their loss in the 1998 NRL grand final to the Brisbane Broncos.

Theodorus Jacobus Leonardus "Dick" Quax (1 January 1948 – 28 May 2018) was a Dutch-born New Zealand runner, one-time world record holder in the 5000 metres, and local-body politician.

Anthony Francis Martin (born 10 June 1964) is a New Zealand comedian, writer and actor living in Melbourne, who has had a successful TV, radio, stand-up and film career in Australia.

Sevuloni Lasei Reece (born 13 February 1997) is a Fiji-born, New Zealand rugby union player who currently plays as a wing for the Crusaders in Super Rugby and for Waikato in New Zealand's domestic Mitre 10 Cup.

Trent Wiremu Kitahi Renata (born 13 May 1988) is a New Zealand rugby union player who currently is playing for Wellington in the Mitre 10 Cup.