CFS3 may refer to:

• Fort Selkirk Aerodrome, which has a TC LID CFS3
• Battle for Europe

• Marina Del Ray Hospital
• Marina de Rapel Airport
• Marina Devčić
• Marina di Ascea
• Marina di Casalvelino
• Marina di Giacomo
• Marina di Ginosa
• Marina Dimitrijevic
• Marina di Pisciotta
• Marina district (disambiguation)
• Marina Dizon
• Marina Dmitrovic
• Marina Dmitrović
• Marina Durunda
• Marina Fernandez
• Marina Fernández
• Marina Ferragut
• Marina (film)
• Marina (film, 2012)
• Marina Fiordaliso
• Marina Fois
• Marina Foïs
• Marina Frajese
• Marina Frolova-Walker
• Marina Galina