The following highways are numbered 784:
| Preceded by 783 | Lists of highways 784 | Succeeded by 785 |
Highway 85 is an east-west highway in Northern Israel. It is one of the most important roads through the Galilee, connecting western and eastern Galilee. The road begins in Akko on the west coast of Israel and ends in the east just north of Lake Kinneret.
King's Highway 109, or Highway 109, is a former provincial highway in Ontario. It was used on two separate, unrelated routes during the 1950s and 1960s:
Secondary Highway 500, commonly referred to as Highway 500, was a secondary highway in the Canadian province of Ontario which was first designated in 1956. Its route was renumbered in 1964, becoming:
Secondary Highway 514, commonly referred to as Highway 514, was a secondary highway in the Canadian province of Ontario. It was used on two separate routes from the 1950s to the 1990s:
