| Donald MacKeen Smith | |
| Birth Date: | November 26, 1923 |
| Birth Place: | Halifax, Nova Scotia |
| Death Place: | Halifax, Nova Scotia |
| Office1: | MLA for Halifax Citadel |
| Term Start1: | 1967 |
| Term End1: | 1970 |
| Predecessor1: | new riding |
| Successor1: | Ronald Wallace |
| Office2: | MLA for Halifax Centre |
| Term Start2: | 1960 |
| Term End2: | 1967 |
| Predecessor2: | Gordon S. Cowan |
| Successor2: | riding dissolved |
| Party: | Progressive Conservative |
| Occupation: | business executive |
Donald MacKeen Smith (November 26, 1923 – February 16, 1998) was a Canadian politician. He represented the electoral districts of Halifax Centre and Halifax Citadel[1] in the Nova Scotia House of Assembly from 1960 to 1970 as a member of the Progressive Conservatives.[2]
Born in 1923 at Halifax, Nova Scotia, Smith was educated at the University of King's College and Dalhousie University.[2] He served with the 18th Armoured Car Regiment from 1944 to 1945.[3] He married Helen Elizabeth Guildford in 1949.[2] A business executive by career, Smith was president of J.E. Morse and Co. Ltd.[2]
Smith entered provincial politics in the 1960 election, defeating Liberal incumbent Gordon S. Cowan by 270 votes in the Halifax Centre riding.[4] In December 1961, Smith was appointed to the Executive Council of Nova Scotia as Minister of Mines.[2] He was re-elected in 1963, defeating Cowan by 1603 votes.[5] In the 1967 election, Smith was re-elected in the newly established Halifax Citadel riding.[6] Smith resigned from cabinet in February 1969,[7] and was defeated by Liberal Ron Wallace when he ran for re-election in 1970.[8] In January 1980, Smith was appointed Agent General for the Province of Nova Scotia in London.[2] Smith died at Halifax on February 16, 1998.[9]