Cucurbita lundelliana is a mesophyte plant species of the genus Cucurbita. It is native to Mexico, Guatemala, and Belize. It has not been domesticated. It is found in the Yucatán region near sea level among limestone cliffs. In Guatemala it is found in Parque Nacional Yaxha Nakum Naranjo along Rio Ixtinto and near Laguna Julequito (west of west end of Lake Yaxha). It has yellow-orange corollas and gray-green seeds. Its leaves are slightly similar to those of Cucurbita ficifolia. It is resistant to powdery mildew and .