License & bar number lookup
Colorado Attorney License Lookup
Search 48,709 attorneys registered with the Colorado Supreme Court — Office of Attorney Regulation Counsel (OARC) by name or bar number. Every record shows the official license status and as-of date.
How to verify a Colorado attorney
- Search the attorney by name or bar number in the search box above — it pulls the official Colorado Supreme Court — Office of Attorney Regulation Counsel (OARC) record.
- Confirm the license status reads "active" (not suspended, disbarred, inactive, or not eligible).
- Check the disciplinary standing — disbarred or suspended is a public record you can see before you hire.
- Cross-check the bar number and admission year against anything the attorney told you.
Colorado attorneys — last name “O”
Active Colorado attorneys with last names starting “O.” Use the search box above for an exact name or bar number.
John Michael O'Banion
CO attorney
- Bar #
- 61975
Gregory M. O'Boyle
CO attorney
- Bar #
- 29008
Lisa Ann O'Boyle
CO attorney
- Bar #
- 47175
Adam Patrick O'Brien
CO attorney
- Bar #
- 37854
Braden J. O'Brien
CO attorney
- Bar #
- 59450
Bradley J. O'Brien
CO attorney
- Bar #
- 39017
Cara Moser O'Brien
CO attorney
- Bar #
- 53657
Colin Michael O'Brien
CO attorney
- Bar #
- 41402
Conor Logan O'Brien
CO attorney
- Bar #
- 58912
Ellen Kathleen O'Brien
CO attorney
- Bar #
- 19211
Erin B. O'Brien
CO attorney
- Bar #
- 43573
Fern O'Brien
CO attorney
- Bar #
- 26912
John Joseph O'Brien
CO attorney
- Bar #
- 59900
John Anthony O'Brien
CO attorney
- Bar #
- 15183
Katherine R. O'Brien
CO attorney
- Bar #
- 45750
Kathleen Ann O'Brien
CO attorney
- Bar #
- 43723
Kevin J. O'Brien
CO attorney
- Bar #
- 10635
Lucas E. O'Brien
CO attorney
- Bar #
- 58014
Mackenzie Stewart O'Brien
CO attorney
- Bar #
- 55002
Matthew C. O'Brien
CO attorney
- Bar #
- 34698
Maureen J. O'Brien
CO attorney
- Bar #
- 19914
Megan Marie O'Brien
CO attorney
- Bar #
- 47785
Michael Joseph O'Brien
CO attorney
- Bar #
- 57070
Michael Hawkins O'Brien
CO attorney
- Bar #
- 51091
Sarah Smyth O'Brien
CO attorney
- Bar #
- 34172
Sean Joseph O'Brien
CO attorney
- Bar #
- 50040
Shauna L. O'Brien
CO attorney
- Bar #
- 46526
Susan M. O'Brien
CO attorney
- Bar #
- 38849
Theodore Joseph O'Brien
CO attorney
- Bar #
- 61623
Susan Mary O'Bryan-Kinney
CO attorney
- Bar #
- 37102
Megan K. O'Byrne
CO attorney
- Bar #
- 53327
Aaron Joseph O'Connell
CO attorney
- Bar #
- 50197
Ann Kristin O'Connell
CO attorney
- Bar #
- 39560
Ann Kathryn O'Connell
CO attorney
- Bar #
- 34544
Daniel T. O'Connell
CO attorney
- Bar #
- 42684
Elizabeth O'Connell
CO attorney
- Bar #
- 59204
Emma Anne O'Connell
CO attorney
- Bar #
- 61209
John T. O'Connell
CO attorney
- Bar #
- 42248
Kellie Noelle O'Connell
CO attorney
- Bar #
- 61963
Kevin Gregory O'Connell
CO attorney
- Bar #
- 26630
Keyonyu X. O'Connell
CO attorney
- Bar #
- 28840
Lyndsey Mott O'Connell
CO attorney
- Bar #
- 51255
Michael R. O'Connell
CO attorney
- Bar #
- 34803
Patrick Timothy O'Connell
CO attorney
- Bar #
- 61796
William Thomas O'Connell
CO attorney
- Bar #
- 34127
Alexis O'Connor
CO attorney
- Bar #
- 62398
Christy T. O'Connor
CO attorney
- Bar #
- 28779
Darren C. O'Connor
CO attorney
- Bar #
- 54020
Davis Owen O'Connor
CO attorney
- Bar #
- 10272
Dennis Patrick O'Connor
CO attorney
- Bar #
- 16990
Gregory W. O'Connor
CO attorney
- Bar #
- 15445
Jaclyn Ann O'Connor
CO attorney
- Bar #
- 54808
James Francis O'Connor
CO attorney
- Bar #
- 28780
Kip O'Connor
CO attorney
- Bar #
- 36407
Michael A. O'Connor
CO attorney
- Bar #
- 16133
Ryan Leonard O'Connor
CO attorney
- Bar #
- 39530
Shane Patrick O'Connor
CO attorney
- Bar #
- 54127
Shannon Molly O'Connor
CO attorney
- Bar #
- 36990
Steven Charles O'Connor
CO attorney
- Bar #
- 49087
Terrence Patrick O'Connor
CO attorney
- Bar #
- 9574
Disciplinary actions
See Colorado attorney disciplinary actions (945 attorneys currently disbarred or suspended of record).
Frequently asked questions
How do I check if a lawyer is licensed in Colorado?
Search their name or bar number in the lookup above. It returns the official Colorado Supreme Court — Office of Attorney Regulation Counsel (OARC) record, including current license status and admission year. If no record comes back, the person may not be licensed in Colorado.
How many attorneys are registered in Colorado?
48,709 attorneys are registered with the Colorado Supreme Court — Office of Attorney Regulation Counsel (OARC), and 29,878 are on active status. Every record here shows the official license status and as-of date.
Is Colorado attorney discipline public?
Yes. License status, including disbarment and suspension of record, is public information published by the Colorado Supreme Court — Office of Attorney Regulation Counsel (OARC). 945 Colorado attorneys are currently disbarred or suspended of record.
What is a bar number?
A bar number is the unique ID the Colorado Supreme Court — Office of Attorney Regulation Counsel (OARC) assigns to each admitted attorney. It is the most reliable way to confirm you are looking at the right person, especially for common names.
Does this cost anything?
No. Looking up a Colorado attorney's license and disciplinary standing on this site is free and requires no account.
Data sources & last updated
- Licensing roster & status: Colorado Supreme Court — Office of Attorney Regulation Counsel (OARC). Published roster figure (OARC 2024 Annual Report).
- Resident-attorney benchmark: ABA National Lawyer Population Survey 2024.
- Data on this page as of 2026-06-14 (last roster ingest).
This site republishes official public records and is not legal advice, a lawyer referral service, or a consumer reporting agency. Information here may not be used to make decisions about employment, tenancy, or credit (FCRA). Records are shown as published by their official sources and may contain errors or be out of date; consult the linked official source to verify. To correct or dispute a record, contact the licensing authority of record.