Nk Istra 1961 š.d.d is Croatian soccer club from Pula, which since the season 2009/10 plays in 1. Croatian soccer league, after it became the champion of 2.Croatian soccer league in season 2008/09. The best success club achieved was playing in final round of Croatian soccer cup in season 2002/03, and by winning the title of 2.

Croatian soccer league in seasons 2003/04 and 2008/09. Nk Istra 1961 team plays home games at the stadium Aldo Drosina, and has appearance in green and yellow jerseys.

The most famous players that played  for NK Istra 1961 were: Manuel Pamić, Stiven Rivić, Asim Šehić, Hrvoje Milić and player from Croatian national representative Nikola Kalinić. Previous names of the club were UljanikPula 1856Pula Staro Češko i Pula.