Ryan Duffy Law

About the Attorney

As a dedicated criminal justice attorney, Ryan Duffy Law is a trusted law firm serving clients in Sioux Falls, South Dakota. With expertise in personal injury law and trial advocacy, Ryan Duffy is committed to providing top-notch legal representation for individuals facing misdemeanor and felony charges. As a seasoned trial attorney, Ryan Duffy has a proven track record of success in the courtroom, fighting tirelessly to protect the rights and interests of his clients. Whether you are in need of a criminal defense attorney or a personal injury lawyer, Ryan Duffy Law is here to help you navigate the legal system and achieve the best possible outcome for your case. Trust Ryan Duffy Law to provide the aggressive and experienced representation you need when facing legal challenges in Sioux Falls, SD.

Practice Areas

Criminal justice attorney Personal injury attorney

Client Reviews

Eric T

6/23/2026

Best attorney I’ve hired hands down. Reasonable pricing and he does a very good job at setting realistic expectations. So far the only attorney I’ve worked with that was genuinely interested in helping me rather than just processing another case. Highly recommend hiring Ryan as your lawyer. I ended up with the best possible outcome and I’d highly recommend hiring Ryan.

Country Corners Veterinary Hospital

6/09/2026

Attorney Duffy successfully navigated a very scary 31 yr old DUI case for my husband. He and his staff were incredibly patient and professional. We are beyond grateful and relieved to be able to close that case with a dismissal. Cannot begin to express how relieved and grateful we are.

Taidyn Peterson

6/03/2026

Astounding job done by Duffy Law with my case. Professional, responsive, and great to work with; especially with being out of state. Highly recommend!

Charles M

4/30/2026

I can't say enough good things about Ryan and his team and the handling of my case. They were very professional, straightforward and genuinely invested in helping me get the best possible outcome. He took the time to walk me through every step of the process and answered all of my questions. He made the stressful situation feel much more manageable. I'm incredibly grateful for their help and would highly recommend using them.

Dana Kutter

3/03/2026

I had an outstanding experience with Ryan Duffy Law Firm. The entire team was professional, responsive, and truly cared about my situation. Communication was clear and timely, and I always felt informed and supported throughout the process. Their knowledge and attention to detail gave me confidence every step of the way. I am extremely grateful for their hard work and would highly recommend them to anyone needing legal services.