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

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.

J Kerfeld

12/10/2025

Ryan is an extremely good attorney. I had an extremely complex case in which Ryan was able to not only keep me out of prison and jail. He was also very understanding and compassionate about helping his clients while doing in a way that made me feel comfortable and confident while navigating the South Dakota legal system. He will not beat around the bush and will be honest and forthcoming with you. I respect and recommend him to anyone in need of legal services.