William Gilmore may refer to:

• William Gilmore (rower) (1895–1969), American rower
• William H. Gilmore (1839–1910), Vermont political and military figure
• William J. Gilmore (1821–1896), American jurist in Ohio
• William S. Gilmore, American producer of Defiance (1980 film)

• Catherine Zara Raymond
• Catherine Zelazowska
• Catherine Zeta
• Catherine z Jones
• Catherine z-Jones
• Catherine Zuber
• Catherine Élise Blanchett
• Catherine Élise "Cate" Blanchett
• Cathering
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• Catheryn Roy-Goyette
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• Cathetometer
• Catheux
• Cathexis (disambiguation)
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• Cathey's Valley
• Cathey's Valley, California
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• Cath Finntrágha