Anne Cathrine Collett (19 February 1768 – 27 January 1846), was a Norwegian-Danish landowner and one of the wealthiest women of Denmark in her time.

Her parents were Peter Collett (1740–86) of Buskerud and Maren Kirstine Holmboe (1745–68).

She married Peter Nicolaj Arbo who subsequently entered the family's company Collett & Søn.

[1] The couple moved to Copenhagen where they lived in the Peschier House at Holmens Kanal 12.

He acquired the country house Aldershvile north of Copenhagen and the manors of Lundbygård and Oremandsgaard at Præstø.