Stanley William Toomath (12 November 1925 – 20 March 2014) was a New Zealand architect who practised mainly in Wellington.

Born in Lower Hutt, Toomath studied architecture at the Auckland College of the University of New Zealand between 1945 and 1949.

[2] He briefly worked with Walter Gropius at the Architects' Collaborative and then with I. M. Pei before returning to New Zealand in 1954.

Toomath led a small team whose report on the Old Town Hall stopped moves for its demolition.

Toomath was also the Head of the School of Design, Wellington Polytechnic (1979–1989), and a contributor of articles to the New Zealand journal Designscape.