Sonde (French for probe) may refer to:
CTD (instrument), a type of water quality sensor
Radiosonde, a piece of equipment used on weather balloons
Rocketsonde
Sonde, Togo, a town in Togo
Sonde, Taungtha, a place in Taungtha Township, Burma (Myanmar)
Sonde (music group), a music ensemble based in Montreal
Sonde language, either of two Bantu languages of the Democratic Republic of the Congo
Sonde Wikipedia (Text) CC BY-SA