“…Nature-inspiredalgorithmsareknownfortheirefficiencyinsolvingoptimizationproblems,they havebeenappliedtomanyproblemslikeDataMining (Rana,Jasola&Kumar,2011;Yeh,2012), InformationRetrieval(Alloui,Boussebough&Chaoui,2015Joshi&Srivastava,2013),Engineering (Fox,Xiang&Lee,2007).ThePenguinsSearchOptimizationAlgorithm(PeSOA)isoneofthelatest proposednature-inspiredmetaheuristicoptimizationalgorithms;thisalgorithminspiredfromthe huntingphenomenonofpenguinswasoriginallyproposedbyGheraibiaetal.in (Gheraibia,2013). The Penguins Search Optimization algorithm has been successfully applied to many real-world problemssuchasFindingOptimalSpacedSeeds (Gheraibia,Moussaoui,Djenouri,Kabir,Yin& Mazouzi,2015),VehicleRoutingProblem(Ammi&Chikhi,2016),TravellingSalesmanProblem (Mzili, Bouzidi & Riffi, 2015) and recently Association Rules Mining (Gheraibia, Moussaoui, Djenouri,Kabir&Yin,2016). TheeffectivenessofthePenguinsSearchOptimizationalgorithminsolvingtheseoptimization problemshasinfluencedtheauthorstoproposeinthispaperadiscretevariantoftheoriginalalgorithm forsolvingtheproblemofcommunitydetectionincomplexnetworks,theessentialaimoftheauthors istoinvestigatethecapabilitiesofthisalgorithminsolvingthisproblem,theirmaincontributions inthispaperareasfollows:…”