An ice tray (100) for ice maker, an ice maker and a refrigerator having the ice maker are provided, wherein the ice maker is set at the door body of the refrigerator. The ice tray (100) comprises an ice tray body (1), a water storage trough (2) and an enclosure wall (4). A plurality of ice forming chambers (11) being concave downward are formed in the ice tray body (1), and an opening (12) for water communicating is provided between two adjacent ice forming chambers (11). The water storage trough (2) is set at the front side of the ice tray body (1) and higher than the ice forming chambers (11). The water storage trough (2) is communicated with the ice forming chambers (11) through at least one water return port (3). The enclosure wall (4) is set at the periphery of the upper end of the ice tray body (1), to prevent water from spilling out of the ice tray (100) during the shaking of the ice tray (100).