H30

H30 or H-30 may refer to:

• H30 (Long Island bus), in Suffolk County, New York
• Dongfeng Fengshen H30, a Chinese hatchback
• HMS Beagle (H30), a Royal Navy B-class destroyer
• HMS H30, a Royal Navy H class submarine
• McCulloch H-30, an American tandem-rotor helicopter
• Nissan H30, an automobile engine

• Hydronium (H₃O⁺), with a letter O instead of a zero

Topics referred to by the same term

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