ABSTRAK Penelitian ini dilakukan untuk mengetahui pengaruh e-service quality terhadap e-loyalty, e-service quality terhadap customer trust, customer trust terhadap e-loyalty, serta untuk mengetahui peran customer trust dalam memediasi pengaruh e-service quality terhadap e-loyalty. Pengambilan sampel menggunakan metode nonprobability sampling dengan convenience sampling. Metode penelitian yang digunakan adalah metode kuantitatif dengan menyebarkan 100 kuesioner dalam bentuk elektronik dan hard copy kepada nasabah BRI yang menggunakan e-banking di Banda Aceh. Teknik analisis data yang digunakan adalah SEM dengan menggunakan SmartPLS 3.0. Dari hasil penelitian ini ditemukan bahwa e-service quality berpengaruh secara signifikan terhadap e-loyalty, e-service quality berpengaruh secara signifikan terhadap customer trust, customer trust berpengaruh secara signifikan terhadap e-loyalty, dan customer trust secara tidak langsung memediasi pengaruh e-service quality terhadap e-loyalty secara parsial. Kata Kunci: e-banking, e-service quality, customer trust, e-loyalty. ABSTRACT This study aims to determine the effect of e-service quality on e-loyalty, e-service quality on customer trust, customer trust on e-loyalty, and customer trust on mediating effect of e-service quality to e-loyalty. Sampling method used in this study was non probability sampling with convenience sampling technique. This research method used is quantitative method by 100 questionaires in electronic form and hard copy to BRI customer that using e-banking in Banda Aceh. This study used analytical technique of Structural Equation Model (SEM), which is estimated by SmartPLS 3.0. The result shows that e-service quality has a significant effect on e-loyalty, e-service quality has a significant effect on customer trust, e-service quality has a significant effect on customer trust, and customer trust is indirectly mediate the influence of e-service quality on e-loyalty in partial mediation. Keywords: e-banking, e-service quality, customer trust, e-loyalty.