| Cabinet Name: | Frost ministry |
| Cabinet Type: | ministry |
| Cabinet Number: | 15th |
| Jurisdiction: | Ontario |
| Flag: | Flag of Ontario.svg |
| Flag Border: | true |
| Government Head Title: | Premier |
| Government Head: | Thomas Laird Kennedy |
| State Head Title: | Monarch |
| State Head: |
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| Represented By Title: | Lieutenant Governor |
| Represented By: |
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| Political Party: | PC Party |
| Opposition Party: | CCF |
| Opposition Leader: |
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| Election: | 1948 |
| Legislature Status: |
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| Incoming Formation: | resignation of George A. Drew |
| Outgoing Formation: | 1949 PC leadership convention |
| Predecessor: | Drew Ministry |
| Successor: | Frost ministry |
| Minister | Tenure | |||
|---|---|---|---|---|
| Start | End | |||
| Premier of Ontario | Thomas Laird Kennedy[1] | October 19, 1948 | May 4, 1949 | |
| Minister of Agriculture | Thomas Laird Kennedy | October 19, 1948 | May 4, 1949 | |
| Attorney General | Leslie Blackwell[2] | October 19, 1948 | May 4, 1949 | |
| Minister of Education | Dana Porter[3] | October 19, 1948 | May 4, 1949 | |
| Minister of Health | Russell Temple Kelley[4] | October 19, 1948 | May 4, 1949 | |
| Ministry of Highways | George Doucett[5] | October 19, 1948 | May 4, 1949 | |
| Minister of Labour | Charles Daley[6] | October 19, 1948 | May 4, 1949 | |
| Minister of Lands and Forests | Harold Robinson Scott[7] | October 19, 1948 | May 4, 1949 | |
| Minister of Mines | Leslie Frost[8] | October 19, 1948 | May 4, 1949 | |
| Minister of Municipal Affairs | George Dunbar[9] | October 19, 1948 | May 4, 1949 | |
| Minister of Planning and Development | George Arthur Welsh[10] | October 19, 1948 | May 4, 1949 | |
| Minister of Public Welfare | Bill Goodfellow[11] | October 19, 1948 | May 4, 1949 | |
| Minister of Public Works | George Doucett | October 19, 1948 | May 4, 1949 | |
| Minister of Reform Institutions | George Dunbar | October 19, 1948 | May 4, 1949 | |
| Minister Travel and Publicity | Louis-Pierre Cécile[12] | October 19, 1948 | May 4, 1949 | |
| Ministers Without Portfolios | ||||
| Provincial Secretary and Registrar | Dana Porter | October 19, 1948 | May 4, 1949 | |
| Treasurer | Leslie Frost | October 19, 1948 | May 4, 1949 | |