F19 may refer to:

• F-19, a designation for a hypothetical United States fighter aircraft
• Faucett F-19, a 1940s Peruvian eight-seat transport monoplane
• Focke-Wulf F 19

• Yudachi
• Yudakinshuko Station
• Yudakinshūko Station
• Yudakogen Station
• Yudakōgen Station
• Yud-Alef Stadium
• Yu Dan (academic)
• Yudansha
• Yu Daolian
• Yu Darvish
• Yu Dayou
• Yudel Johnson
• Yudelkis Fernandez
• Yudelkis Fernández
• Yudel Krinsky
• Yudell
• Yudell Luke
• Yudenich
• Yudetamago
• Yudh
• Yudh (film)
• Yudhishtir
• Yudhisthir
• Yudh Seva Medal
• Yudi Datau