Psilocybin law · WY
Is psilocybin legal in Wyoming?
Psilocybin is illegal in Wyoming: psilocybin and psilocyn are Schedule I controlled substances under W.S. 35-7-1014(d)(xix) and (xx), and the state has no therapy, research or decriminalization law.
Psilocybin is a controlled substance under state law with no programme for its use. Last checked 26 Oct 2026. Pending bills are re-checked weekly against the legislature; last change recorded 26 Oct 2026. Not legal advice.
Current status
- Psilocybin and psilocyn are listed as hallucinogenic substances in Schedule I of the Wyoming Controlled Substances Act, W.S. 35-7-1014(d)(xix) and (xx). (Wyoming Legislature, current page)
- Wyoming has no state psilocybin therapy, medical or adult-use program, and personal use is not decriminalized. (Legislative Analysis and Public Policy Association, Nov 2025)
Decriminalized cities and counties
None found as of 26 Oct 2026.
A local lowest-priority measure tells city or county police and prosecutors where to spend their time. It does not change state or federal law, and state or federal officers can still enforce it.
Bills
We found no psilocybin or psychedelic bill in the 2025 or 2026 sessions, as of 26 Oct 2026.
Penalties
- Possessing a small amount of a controlled substance (for example no more than 3 ounces in plant form, or 3 grams in powder, crystalline, pill or capsule form) is a misdemeanor punishable by up to 12 months in jail, a fine of up to $1,000, or both; a third or subsequent offense carries up to 5 years and $5,000 (W.S. 35-7-1031(c)(i)). (Wyoming Legislature, current page)
- Possessing a non-narcotic Schedule I substance in an amount above those limits is a felony punishable by up to 5 years in prison, a fine of up to $10,000, or both (W.S. 35-7-1031(c)(iii)). (Wyoming Legislature, current page)
- A first-time possession defendant with no prior drug conviction may have proceedings deferred on probation and dismissed on completion, without a conviction, once per person (W.S. 35-7-1037). (Wyoming Legislature, current page)
Federal law applies in Wyoming too
- Peyote and mescaline are listed in Schedule I(c) of the Controlled Substances Act, as are psilocybin, psilocyn, DMT and ibogaine. (Legal Information Institute (Cornell) reproducing the U.S. Code, current)
- Outside the exemptions, distributing a Schedule I substance not named in the large-quantity tiers carries up to 20 years and a fine of up to $1,000,000 for an individual on a first offence (21 U.S.C. 841(b)(1)(C)); simple possession carries up to 1 year and a minimum fine of $1,000 on a first offence (21 U.S.C. 844(a)). (Legal Information Institute (Cornell) reproducing the U.S. Code, current; Legal Information Institute (Cornell) reproducing the U.S. Code, current)
Questions and answers
- Is psilocybin legal in Wyoming?
- Psilocybin is illegal in Wyoming: psilocybin and psilocyn are Schedule I controlled substances under W.S. 35-7-1014(d)(xix) and (xx), and the state has no therapy, research or decriminalization law.
- Has any city in Wyoming decriminalized psilocybin?
- We found no city or county measure in Wyoming that makes psilocybin a low enforcement priority, as of 26 Oct 2026.
- Are there psilocybin bills in Wyoming?
- We found no psilocybin bill in the Wyoming legislature's 2025 or 2026 sessions.
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