Lyle S. Hallman was a developer, contractor and philanthropist in the Kitchener-Waterloo area. Born in Preston, now part of Cambridge, Ontario, in 1922, he was the son of a carpenter. In 1945, after war service with the Royal Canadian Air Force, he started his own construction company. Hallman Construction Ltd. became the Hallman Group of Companies, as Lyle Hallman became a major land developer as well as as building, owning and managing apartment buildings.

A noted philanthropist in the Waterloo Region, Lyle Hallman and his wife Wendy donated funds to numerous campaigns, including the Lyle S. Hallman Swimming Pool and funding the first MRI in the Waterloo Region. They supported universities in the community, funding the Lyle S. Hallman Institute for Health Promotion at the University of Waterloo and the Lyle S. Hallman Chair in Child and family Welfare at Wilfrid Laurier University.

Lyle S. Hallman was the recipient of many awards, including the Order of Canada, the Canada 125 medal, the Paul Harris fellowship from the Rotary Club and an honorary doctorate from the University of Waterloo.