The invention provides a movable mosaic zirconium tundish upper nozzle. The movable mosaic zirconium tundish upper nozzle comprises a zirconium part and a jacket, wherein the zirconium part is divided into multiple sections according to the length of the tundish nozzle, a plurality of screw holes are formed in the jacket, and each section of zirconium part is fixed at the corresponding screw holes of the jacket through a screw. The damaged section can be replaced only once the zirconium part is damaged, the model of bosses of the zirconium part at a water inlet can be selected as required, and the movable mosaic zirconium tundish upper nozzle is convenient to use.