Donald James Toth (born May 31, 1948) is a Canadian provincial politician and was Speaker of the Legislative Assembly of Saskatchewan during the first term of the Saskatchewan Party government of Premier Brad Wall, from 2007 to 2011. 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. On December 10, 2007, he was elected Speaker by acclamation. Dan D'Autremont defeated him in the speakership election in the second term of the Wall government (2011–2016).