Timothy Maddren (born 3 March 1984) is a New Zealand musician best known as a member of the Australian children's musical group Hi-5 between 2009 and 2013.

In 2003 Maddren moved to Perth, Australia to study at the WAAPA (Western Australian Academy of Performing Arts) from which he graduated in 2005.

He has performed in many theatrical productions, including Fiddler on the Roof (2007), A Funny Thing Happened On The Way To The Forum, Chess, Les Miserables, Crazy For You, International Miners Emporium, Street Scene, Guys & Dolls, Little Shop of Horrors and My Fair Lady.

[2] In 2008 he was part of the original Australian cast in the musical comedy Altar Boyz playing the role of Luke.

Television credits include Blue Water High playing the guest role of Connor (ABC TV).