Donald James Toth (born May 31, 1948) is a Canadian retired provincial politician.
He represented the constituency of Moosomin in the Legislative Assembly of Saskatchewan from 1986 to 2016.
While he was originally elected as a member of the Progressive Conservatives, he and some other Tories and Liberals co-founded the Saskatchewan Party in 1997.
Dan D'Autremont defeated him in the speakership election in the second term of the Wall government (2011–2016).
He was the last sitting legislator who had served during the Grant Devine government of the 1980s.