CL-52 or variation, may refer to:
- Canadair CL-52 Stratojet, RCAF jet bomber from the 1950s
- Chlorine 52 (Cl-52; 52Cl), an isotope of chlorine
- CL52, a type of vacuum tube; see List of vacuum tubes
- USS Juneau (CL-52), WWII USN Atlanta-class light cruiser, whose sinking killed the five Sullivan brothers
See also
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