The sports life in the Municipality of Gradiska has a long and rich tradition. Among the oldest and the most popular sports one should certainly mention soccer. The most significant soccer club "Kozara" that competes in the First League of the Republic of Srpska was the first to win the Cup of the Republic of Srpska. "Kozara" Soccer Club has tied its work and appearances to the town soccer stadium. Apart from this Club there are another 25 registered soccer clubs that compete in the lower ranks. Apart from the soccer clubs there are also two handball clubs in this town, two basketball ones, two volleyball, bowling, chess, and four karate clubs.A major place in the sports and recreational activities holds the Center of Underwater Activities "St. Nicolas", Associations of Hunters, Fishermen, and activities related to school and recreational sports.

It is important to point out that, in the past three years, owing to the resources of the donators, primarily USAID and the Japanese Government, the most important health care, educational, cultural, and sports facilities and buildings have been reconstructed and this provided good working conditions in all those fields.

The Municipality of Gradiska has a good cooperation with other municipalities and institutions in the Republic of Srpska and in particular with its twin towns Cuprija in Serbia and Kavala in Greece.

The natural, geographic, economic and manpower potentials represent a good basis and a guarantee for a better life of the population and overall development of the Municipality of Gradiska and the Republic of Srpska.