| Honorific-Prefix: | The Honourable |
| Rob Flack | |
| Office1: | Associate Minister of Housing |
| Term Start1: | September 4, 2023 |
| Premier1: | Doug Ford |
| Term End1: | June 6, 2024 |
| Office2: | Parliamentary Assistant to the Minister of Agriculture, Food and Rural Affairs |
| Term Start2: | June 29, 2022 |
| Term End2: | September 4, 2023 |
| Premier2: | Doug Ford |
| Parliament3: | Ontario Provincial |
| Term Start3: | June 2, 2022 |
| Predecessor3: | Jeff Yurek |
| Riding3: | Elgin—Middlesex—London |
| Party: | Progressive Conservative |
| Birth Date: | June 26th, 1958 |
| Birth Place: | Guelph, Ontario |
| Residence: | Dorchester |
| Profession: | Businessman, politician, farmer |
| Spouse: | Denise Flack |
| Children: | 1 |
| Office: | Minister of Farming, Agriculture, and Agribusiness |
| Term Start: | June 6, 2024 |
| Successor1: | Vijay Thanigasalam |
Robert James Flack (born June 26, 1958) is a Canadian politician, businessman, and farmer who currently serves as the Minister of Farming, Agriculture, and Agribusiness. He represents the southwest Ontario riding of Elgin—Middlesex—London since his election in the 2022 provincial election. Before running for office, Flack was President and CEO of Masterfeeds, a Canadian national animal nutrition business.