S49 Explained

S49 may refer to:

• County Route S49 (Bergen County, New Jersey)
• Ikarus S-49, a Yugoslav fighter aircraft
• Miller Memorial Airpark, in Malheur County, Oregon, United States
• New Jersey Route 47, partially designated Route S49 until 1953
• , a safety phrase
• , a submarine of the United States Navy
• S49, a postcode district in Chesterfield, England