Osage County Attorney's Office

The Osage County Attorney's Office is located on the first floor of the Osage County Courthouse in Lyndon, Kansas. The County Attorney's office is responsible for prosecuting criminal, traffic, and juvenile cases that arise in Osage County, Kansas. In addition to prosecuting these types of cases, the office is also responsible for Child in Need of Care cases, Involuntary Commitments, and prosecuting county code violations. 

The mission of the County Attorney is to keep the community of Osage County safe and ensure Osage County continues to be a great place to live and raise a family. We strive to enforce the law to ensure that justice is achieved and that the victims and the community are protected. 

Osage County Attorney, Tonya Vignery

Tonya Vignery was elected to fulfill the vacant Osage County Attorney position on November 10, 2022. She previously worked as the Assistant County Attorney and was in private practice. 


  1. Osage County Attorney, Tonya Vignery

    Tonya Vignery

    County Attorney

  2. Jessica Sharp

    Clerk

  3. Angie Smith

    Clerk

  4. Kim Toot

    Clerk

  5. Attorney

    Physical Address
    717 Topeka Ave.
    P.O. Box 254
    Lyndon, KS 66451

    Mailing Address

    Lyndon, KS 66451

    Phone: : 785-828-4931
    Fax: : 785-828-3150