John S. Arnick (November 27, 1933 – June 13, 2006) was an American politician from Maryland and a member of the Democratic Party.

Arnick resigned from the House of Delegates on April 30, 2006, in order to serve on the State Board of Contract Appeals.

In 1993, he was nominated by former Maryland governor William Donald Schaefer to a 10-year District Court judge position.

Fortunately for him the Baltimore County Democratic Central Committee reappointed him back to his House Delegate seat.

[2] In addition to being Majority Leader, Delegate Arnick served on many committees and caucuses including: