Wyoming No-Fault Divorce Rules

Wyoming is a true no-fault divorce state. You do not need to prove your spouse did something wrong — no adultery, no abandonment, no abuse. The only ground you need is "irreconcilable differences," and you can assert it unilaterally.

What "Irreconcilable Differences" Means

Under Wyo. Stat. § 20-2-104, "irreconcilable differences" means the marriage has suffered an irretrievable breakdown and the spouses can no longer live together. You do not need to explain why, provide evidence of marital misconduct, or get your spouse's agreement.

In practical terms, you check a box on the Complaint for Divorce stating irreconcilable differences as the ground for dissolution. The judge accepts this at face value — no testimony about what went wrong in the marriage is required.

Your Spouse Cannot Block the Divorce

This is the most important practical consequence of no-fault: your spouse's consent is not required. Even if your spouse wants to stay married, the court will grant the divorce based on your assertion of irreconcilable differences alone. Your spouse can contest the terms — how property is divided, custody arrangements, support amounts — but they cannot contest the divorce itself.

The Narrow Fault-Based Exception

Wyoming does recognize one fault-based ground: incurable insanity under Wyo. Stat. § 20-2-105. This applies only when a spouse has been confined to a mental institution for at least two continuous years immediately before filing.

This ground is rarely used because it triggers significant additional requirements:

• The court appoints a guardian ad litem for the confined spouse
• A county attorney is assigned to defend the confined spouse's interests
• The filing spouse pays all court, guardian, and defense attorney fees

For virtually all divorces in Wyoming, irreconcilable differences is the sole ground used.

How No-Fault Affects Property and Custody

While you do not need to prove fault to get the divorce, marital conduct can still influence the judge's decisions on property division and custody. Under Wyoming's equitable distribution rules (Wyo. Stat. § 20-2-114), the court considers the "respective merits of each party" when dividing property. Judges have discretion to factor in behavior that affected the marital estate — like one spouse dissipating assets or hiding income.

For custody, Wyoming uses the "best interests of the child" standard (Wyo. Stat. § 20-2-201), which evaluates each parent's fitness, the quality of the parent-child relationship, and willingness to cooperate. A parent's misconduct that affects their parenting ability is relevant here, even though it does not affect the grounds for divorce.

Judicial Separation Alternative

If you want the legal protections of a divorce — separate property, custody orders, support — but do not want to legally end the marriage, Wyoming offers judicial separation under Wyo. Stat. § 20-2-106. The procedures, residency requirements, and court powers are identical to a divorce, but the marriage remains legally intact.

This option is sometimes chosen for religious reasons or to preserve healthcare benefits tied to marital status.

The Wyoming Divorce Filing Process Guide covers the no-fault filing process from Complaint through Decree, including the exact language to use in your paperwork.

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