Wyo.

Geography & Places abbreviation · US State Traditional

Wyo. stands for Wyoming, a US state traditional abbreviation.

Wyoming's abbreviation in AP datelines (JACKSON, Wyo.), party labels (R-Wyo.), GPO and Bluebook style, and in the citation Wyo. Stat. Ann. for the state's statutes.

Example: JACKSON, Wyo. — Central bankers gathered for the annual economic symposium on Thursday.

Usage notes

For mail, Wyoming is WY (since 1963); WI is Wisconsin and a common slip. Wyoming has the smallest population of any state, so it rarely appears in national datelines except for Yellowstone, Grand Teton and the Jackson Hole economic symposium.

Related abbreviations

More US state traditional abbreviations

• Ala. – Alabama
• Ariz. – Arizona
• Ark. – Arkansas
• Cal. – California
• Calif. – California
• Colo. – Colorado
• Conn. – Connecticut
• Del. – Delaware
• Fla. – Florida
• Ill. – Illinois
• Ind. – Indiana
• Kan. – Kansas

See all 36 US state traditional abbreviations →

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