Wyoming Prenup Laws: Guide for Engaged Couples

Getting married in Wyoming? A prenuptial agreement lets you set clear expectations about property, debt, and (where allowed) support—so you’re not relying only on default state rules.

Key points

  • Prenups are recognized if they’re voluntary, in writing, and signed by both partners.
  • Unenforceable if involuntary, unconscionable when signed, or lacking disclosure without waiver.
  • Wyoming has adopted the UPAA. Must be in writing, signed before marriage. No notarization required but recommended. Full disclosure or waiver is necessary.

Are prenups legal in Wyoming?

Wyoming has adopted the UPAA. Must be in writing, signed before marriage. No notarization required but recommended. Full disclosure or waiver is necessary.

What makes a Wyoming prenup enforceable?

Unenforceable if involuntary, unconscionable when signed, or lacking disclosure without waiver.

What you can—and can’t—include

May waive property, alimony, and inheritance rights; child-related clauses are unenforceable.

Simple process

Provide full disclosures, sign early, and consider notarization and counsel.

Next steps

Start your Wyoming prenup

General information only, not legal advice. Laws and cases change—consider speaking with a local attorney about your situation.

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