Mattias Agabus (born 14 September 1977) is an Estonian architect.
Mattias Agabus is a member of the Union of Estonian Architects.
From 2001 to 2009, he worked as a partner in the architectural office Agabus, Endjärv & Truverk OÜ, Since 2009, he has worked for Allianss Architects OÜ.
He is noted for the design of the Viimsi School, new building of the Tallinn University, villa in Otepää in Southern Estonia and the new library of the Tallinn Technical University.
This Estonian architect biographical article is a stub.