Tiit Trummal (born 18 July 1954 in Tartu) is a notable Estonian architect.
Tiit Trummal graduated from the 2nd Secondary School of Tartu (today's Miina Härma Gymnasium).
From 1972 he studied in the State Art Institute of the Estonian SSR (today's Estonian Academy of Arts) in the department of architecture.
Most notable works by Tiit Trummal are the Ferrum department store in Kuressaare, De La Gardie department store in Tallinn, the City Plaza office building and the new design of the Vabaduse Square (Freedom Square) in Tallinn.
Tiit Trummal is a member of the Union of Estonian Architects.