The 2013 season of the Esiliiga B, the third level in the Estonian football system, was the first season in the league's history. The season officially began on 3 March 2013 and ended on 10 November 2013. However, on 3 March the Estonian Football Association announced that all matches scheduled for 3 March 2013 would be postponed due to heavy snowfall.
<small>Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players and Managers may hold more than one non-FIFA nationality.</small>
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At season's end, the 3rd place club of the 2013 Esiliiga B will participate in a two-legged play-off with the 8th club of the 2013 Esiliiga for the spot in next year's competition.
At season's end, the 8th place club of the 2013 Esiliiga B will participate in a two-legged play-off with the runners-up of the II Liiga for the spot in next year's competition.