| John Morrow Robb | |
| Office1: | Ontario MPP |
| Term Start1: | 1926 |
| Term End1: | 1934 |
| Predecessor1: | Arthur Gladstone Wallis |
| Successor1: | Riding abolished |
| Term Start2: | 1915 |
| Term End2: | 1919 |
| Predecessor2: | Albert Grigg |
| Successor2: | Kenneth Spencer Stover |
| Constituency2: | Algoma |
| Party: | Conservative |
| Birth Date: | 4 July 1876 |
| Birth Place: | Downie Township, Perth County |
| Death Place: | Blind River, Ontario |
John Morrow Robb (July 4, 1876[1] - December 11, 1942) was a physician and political figure in Ontario. He represented Algoma in the Legislative Assembly of Ontario from 1916 to 1919 and from 1926 to 1934 as a Conservative member.[2]
The son of Samuel Robb and Margaret Morrow,[1] he was born in Downie Township, Perth County. Robb was educated in Stratford and at the University of Toronto. He taught school for three years in Middlesex County. In 1909, Robb married Olive R. Kidd.[1] He served on the school board for Blind River and was Medical Officer of Health for over 20 years.
Robb was defeated when he ran for reelection to the assembly in 1919 and 1923. He served as Minister of Health from 1930 to 1934 and as Ministry of Labour in 1934.[2] He built a hospital in Blind River which he turned over to the Canadian Red Cross after he was named Minister of Health. Robb died in Blind River at the age of 65.[3]