A fluid leakage data management apparatus comprising an input unit into which data for fluid leakage locations collected by a fluid leakage diagnosis for a plant are input, and a display unit which displays the data input into the input unit, said management apparatus further comprising a data processing unit that displays, on the display unit, a leakage location display image in which display elements indicating fluid leakage locations are displayed superimposed in a layout corresponding to position data on a plant structural image, said position data being the positions of fluid leakage locations in the plant that were input into the input unit with respect to the plant structural image.