Jean Casselman Wadds, OC (September 16, 1920 – November 25, 2011) was a Canadian politician, who represented the electoral district of Grenville—Dundas from 1958 to 1968.
She sat as a member of the Progressive Conservative Party.
She served as Canadian High Commissioner to the United Kingdom from 1979 to 1983, playing a role in the government of Pierre Trudeau's negotiations with the British government of Margaret Thatcher in Trudeau's successful effort to patriate the Canadian Constitution in 1982.