A foldable bicycle carry rack comprising: a base having two bars respectively connected to two ends thereof, each bar having two first holes defined radially therein, two support units respectively and pivotably connected to the two ends of the base, two seat units respectively connected to two sides of the base, each support unit including two support links, each support link including a first end and a second end, the second end of each support link including a lateral hole defined therethrough, each seat unit having a U-shaped reception member which has two second holes, the two respectively second ends of the two support links of each of the two support units pivotably connected to the two reception members by extending a pin through the second holes of the two support links and the lateral holes of the two reception members; characterised in that each of the support links having a movable member slidably mounted between the first and second ends thereof, the movable member having a passage and a protrusion, the support link movably extending through the passage corresponding thereto, the protrusion of each movable member is removably engaged with the first hole corresponding thereto, and two rods respectively connected to the two support units, each rod connected between the two movable members that are connected to the two support links of each of the two support units, a locking member connected to each of the two rods and including a pivotable end and a locking portion, the pivotable end pivotably connected to the rod corresponding thereto, and the locking portion detachably locked to the bar corresponding thereto. a base having two bars respectively connected to two ends thereof, each bar having two first holes defined radially therein, two support units respectively and pivotably connected to the two ends of the base, two seat units respectively connected to two sides of the base, each support unit including two support links, each support link including a first end and a second end, the second end of each support link including a lateral hole defined therethrough, each seat unit having a U-shaped reception member which has two second holes, the two respectively second ends of the two support links of each of the two support units pivotably connected to the two reception members by extending a pin through the second holes of the two support links and the lateral holes of the two reception members; characterised in that each of the support links having a movable member slidably mounted between the first and second ends thereof, the movable member having a passage and a protrusion, the support link movably extending through the passage corresponding thereto, the protrusion of each movable member is removably engaged with the first hole corresponding thereto, and two rods respectively connected to the two support units, each rod connected between the two movable members that are connected to the two support links of each of the two support units, a locking member connected to each of the two rods and including a pivotable end and a locking portion, the pivotable end pivotably connected to the rod corresponding thereto, and the locking portion detachably locked to the bar corresponding thereto.