O class submarine may refer to:
- United States O class submarine
- Odin class submarine
- Oberon class submarine
- Several early submarine classes of the Royal Netherlands navy
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Famous quotes containing the word class:
“Criminals are never very amusing. It’s because they’re failures. Those who make real money aren’t counted as criminals. This is a class distinction, not an ethical problem.”
—Orson Welles (1915–1985)