Peter Collett (8 August 1766 – 27 July 1836) was a Norwegian judge, businessman and property owner.
He was the eldest son of landowner Peter Collett (1740–1786) and his first wife Kirstine Holmboe (1745–1768).
[1] In August 1794 he married vicar's daughter Eilertine Severine Bendeke (1777–1857).
They were the parents of eleven childrenm including Bernt Anker Collet.
In 1818, Collett was the delegate from Buskerud at the coronation of King Charles XIV John of Sweden.