Sir Crawford David Nalder (14 February 1910 – 8 December 1994) was an Australian politician who served as Deputy Premier of Western Australia from 1962 to 1971.

[2] In October 1936, whilst travelling on the Perth–Wagin Road with two of his brothers, he received a severe concussion after their truck overturned.

[3] During World War II, Nalder enlisted in the Australian Army, serving as a private in the 10th Battalion Volunteer Defence Corps.

[5] The electoral district of Wagin was abolished in a redistribution prior to the 1950 state elections, and Nalder successfully contested Katanning, which had been vacated following the decision of Arthur Watts, the leader of the party, to move to Stirling.

[6] Following Labor's defeat in the 1959 state elections, Nalder was named Minister for Agriculture in the Brand–Watts Ministry, a position he held from 2 April 1959 through to 3 March 1971.