Field experiment was conducted at Regional Agricultural Research Station, Vijayapura in Northern dry zone ofKarnataka on medium black soil to study the response of lentil (Lens culinaris Medik.) genotypes to seed rate and fertilizerlevels under protective irrigation during rabi 2015-16. The experiment was laid out in Split split plot design with threegenotypes as main plot (JL 3, IPL 316 and RVL 31), three seed rates as sub plot (30, 35 and 40 kg ha-1) and two fertilizerlevels as sub sub plot (25:50:25 kg and 10:30:00 kg N, P2O5 and K2O ha-1) treatments. The lentil genotype RVL 31 recordedsignificantly higher grain yield (130.7 kg ha-1) and was on par with genotype JL 3 (121.0 kg ha-1). Significantly higher yieldwas attributed to significantly higher growth and yield parameters viz., pods per plant (13.65 and 17.20, respectively), seedsper pod (1.06 and 1.07, respectively), and harvest index (19.25 % and 16.39 %, respectively). The seed rate of 40 kg ha-1recorded significantly higher grain yield (243.4 kg ha-1), haulm yield (811.3 kg ha-1), harvest index (16.63%) and highernumber of plants per m row length at harvest (29.2).The fertilizer level of 25:50:25 kg N, P2O5 and K2O ha-1 recordedsignificantly higher grain yield (123.2 kg ha-1), haulm yield (801.2 kg ha-1) and harvest index (15.95%), dry matter accumulationper plant at 60 DAS and harvest (0.37 and 1.51 g plant-1, respectively) compared to 10:30:00 kg N, P2O5 and K2O ha-1. Theinteraction of lentil genotype, RVL 31 with 40 kg ha-1 seed rate and fertilizer level of 25:50:25 kg N:P2O5:K2O ha-1 recordedsignificantly higher grain yield (243.4 kg ha-1) with better performance of growth and yield parameters.