The molecular formula C₃H₂F₄ may refer to:

• 1,3,3,3-Tetrafluoropropene (HFO-1234ze)
• 2,3,3,3-Tetrafluoropropene (HFO-1234yf)

• Henry III of Castile and León
• Henry III of Głogów
• Henry III of Hesse-Marburg
• Henry III of Leuven
• Henry III of Limburg
• Henry III of Luxembourg
• Henry III of Navarre and IV of France
• Henry III of the Holy Roman Empire
• Henry III, Prince of Anhalt-Aschersleben
• Henry III, Prince of Conde
• Henry II, King of France
• Henry II of Bar
• Henry II of Brunswick
• Henry II of Brunswick-Grubenhagen
• Henry II of Brunswick-Lueneburg
• Henry II of Brunswick-Luneburg
• Henry II of Brunswick-Lüneburg
• Henry II of Brunswick-Wolfenbuettel
• Henry II of Brunswick-Wolfenbuttel
• Henry II of Carinthia
• Henry II of Castile and Leon
• Henry II (of Castile and Leon)
• Henry II of Champagne
• Henry II of England
• Henry II of Leez