Udea uliginosalis is a species of moth in the Crambidae family. It is found in Great Britain, Spain, France, Germany, Switzerland, Austria, Slovenia, Slovakia, Poland, Romania, Bulgaria, Serbia and Montenegro, Albania and the Republic of Macedonia. The wingspan is 25–30 mm. The forewings are dull ash-coloured with a pale spot behind the middle. The hindwings are paler or whitish with an ashy border on the hindmargin. Adults are on wing in July. The larvae are probably polyphagous on low plants and/or grasses.