John Hall Angus MNZM (1948 – 10 January 2015) was a New Zealand historian, social worker and children's advocate.

[2] He participated in the review of the Children, Young Persons, and Their Families Act 1989,[5] led work on the prevention of child abuse for the Taskforce on Action on Violence within Families, and, in 2003 to 2004, served on the ministerial task force on the community and voluntary sector.

[2] In 2009, he succeeded Cindy Kiro as the Children's Commissioner, a role in which he served until June 2011.

[7] In the 2012 New Year Honours, Angus was appointed a Member of the New Zealand Order of Merit for services to the State.

The Minister of Social Development, Anne Tolley, said that Angus had been a "tireless advocate for the rights of children.