Amber Dawn MacArthur (June 27, 1976 in Charlottetown, Prince Edward Island ) is a Canadian television and podcasting personality. She is currently developing a social networking website with Tony Robbins.

Currenty, she creates a vidcast called commandN and co-hosts one of the TWiT podcast Network's net@nite, successor to Inside the Net. She is well known for the series Call for Help, but has also hosted on Torrent and Gadgets and Gizmos for G4TechTV. She worked for more than a year for Citytv's CityNews and CP24.

Now resides in Toronto, Ontario, Canada