Provided are a display panel, an electronic device and a test method. The display panel includes: multiple data lines extending in a first direction; a display array including multiple pixel units arranged in an array, where the columns of the pixel units are electrically connected to the data lines respectively; a test switching circuit arranged at one side of the display array and test pins and a drive pin arranged at the other side of the display array in the first direction, where the test switching circuit includes a control end, input ends and output ends, the drive pin is connected to the control end, the test pins are configured to input a test signal and are connected to the input ends via a portion of the data lines, and the remaining data lines are connected to the output ends.