The 2024 New Jersey Republican presidential primary was held on June 4, 2024, as part of the Republican Party primaries for the 2024 presidential election. Nine delegates to the 2024 Republican National Convention were allocated on a winner-take-all basis. The contest was among the last in the Republican primary cycle, held alongside primaries in Montana, New Mexico, and South Dakota.
New Jersey had 40 of its delegates removed for scheduling its primary after May 31.