Tway is a hamlet in the Rural Municipality of Invergordon No. 430 in the Canadian province of Saskatchewan. The Tway National Wildlife Area is north-east of the community.
In the 2021 Census of Population conducted by Statistics Canada, Tway had a population of 5 living in 7 of its 11 total private dwellings, a change of from its 2016 population of 5. With a land area of , it had a population density of in 2021.