CA5

CA5 may refer to:

• California's 5th congressional district
• USS Huntington (CA-5), a United States Navy Pennsylvania-class armored cruiser

CA5 may refer to:

• the United States Court of Appeals for the Fifth Circuit

Ca.5 may refer to :

• Caproni Ca.5, an Italian heavy bomber of the World War I and post-war era

Ca5 may refer to:

• Ca5 line, a regional Catalonia railway line

Ca5 may refer to:

• Ca5, a Japanese chiptune artist