Bengt Ingmar Lindroos (22 September 1918 – 22 August 2010) was a Swedish architect.
Lindroos started drafting houses for a local builder at the age of 17 years and received his formal education at the Royal Institute of Technology from 1942-45.
After being employed by Sven Markelius, he opened an office together with Hans Borgström in 1954.
He designed the Kaknästornet television tower in 1967.
He was awarded the Prince Eugen Medal in 1983.He designed in the 1986 Kasper Salin Prize-winning building block Kvarteret Drottningen.