Short answer. 2 witnesses. A self-proving affidavit is sworn before an oath officer such as a notary. Handwritten wills: yes. Remote witnesses: yes.
At a glance
- Witnesses
- Two competent witnesses.
"witnessed by two (2) competent witnesses"
- Beneficiary as witness
- Interested witnesses may lose any gift the will makes to them (Nolo, citing Wyo. Stat. 2-6-112).
- Self-proving affidavit
- Allowed, before an officer authorized to administer oaths. Since July 1, 2023 witnesses may sign the self-proving form electronically by secure means.
"each made before an officer authorized to administer oaths under the laws of the state where execution occurs"
- Handwritten wills
- Recognized without witnesses if entirely in the testator's handwriting and signed (Nolo, citing Wyo. Stat. 2-6-113).
- Electronic wills
- Not authorized, per Nolo's Wyoming page (updated September 2025).
- Remote witnesses
- Since July 1, 2023, witnesses may appear by audio-video if they can see and hear the testator in real time and can securely sign electronically.
"Witnesses to a will may appear in person or by the use of audio-video communication technology"
- Minimum age
- 18 or older and of sound mind (Nolo, citing Wyo. Stat. 2-6-101).
"18 years of age or older"
Signing day here
- Witnesses to bring: Bring 2 witnesses.
- Notary and the self-proving affidavit: Have a notary or another officer who can administer oaths there for the self-proving affidavit. The statute names that officer rather than notaries by name.
The full list, with ID and who shouldn't witness: signing-day checklist for Wyoming.
MCC Solutions provides notaries and witnesses for signings in New Jersey (estate planning signings, the estate planning signing package, witness services). Elsewhere, a local notary can help with the self-proving affidavit.
Sources
- Wyoming 2023 Senate File 99 (enrolled act amending W.S. 2-6-112 and 2-6-114), Wyoming Legislature (checked November 2026)
- Nolo (secondary source): How to Make a Will in Wyoming (Nolo, updated September 2025) (checked November 2026)
Sourced from official pages; a few facts from vetted secondary sources, marked "(secondary source)".
General information, not legal advice; we are not lawyers. Have a lawyer prepare or review your will. Checked November 2026 against the official pages listed above. Rules change, and how a rule applies to one will is a question for a lawyer licensed in the state. A notary can't give legal advice or draft a will.
Common questions
How many witnesses does a will need in Wyoming?
2. Two competent witnesses.
Does a will need a notary in Wyoming?
Not to be valid on the pages we read; the notary is for the self-proving affidavit. Allowed, before an officer authorized to administer oaths. Since July 1, 2023 witnesses may sign the self-proving form electronically by secure means.
Can a beneficiary witness a will in Wyoming?
Interested witnesses may lose any gift the will makes to them (Nolo, citing Wyo. Stat. 2-6-112).
Is a handwritten will valid in Wyoming?
Recognized without witnesses if entirely in the testator's handwriting and signed (Nolo, citing Wyo. Stat. 2-6-113).
Can will witnesses be remote in Wyoming?
Since July 1, 2023, witnesses may appear by audio-video if they can see and hear the testator in real time and can securely sign electronically.
Are electronic wills allowed in Wyoming?
Not authorized, per Nolo's Wyoming page (updated September 2025).
All states: will witness requirements by state · Wisconsin