The study was conducted from November 2021 to April 2022 in the field and laboratory of Department of Entomology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh to compare the morphological, developmental, yield contributing characteristics and leaf infestation status by fall armyworm of four different maize varieties viz. BU Misti Vutta 1, BARI Hybrid Vutta 1, Mohona and Dola. Among the varieties, Dola was the tallest plant having height of 156.9±6.1 cm with the highest internode length (16.0±0.2 cm), and the highest number of internodes (12.8±0.2), number of leaves per plant (11.9±0.3), leaf length (82.0±2.7 cm), and leaf width (10.5±0.2 cm). The maximum base diameter (1.9±0.1 cm) was observed in BU Misti Vutta 1. The lowest duration for seedling emergence was observed in BARI Hybrid Vutta 1 (17.6±0.3 DAS) while the lowest durations for tassel initiation (75.2±0.4 DAS), silk emergence (87.1±0.4 DAS) and earliest harvesting maturity (111.9±0.3 DAS) was observed in BU Misti Vutta 1. There was no leaf infestation (0.0±0.0%) in BU Misti Vutta 1 at 100 DAS. The highest cob length (16.4±0.5 cm), cob diameter (4.0±0.1 cm), cob weight (196.6±22.1 g), number of kernel/ cob (537.2±32.1) and yield (12.6±0.1 t/ha) were also recorded in BU Misti Vutta 1.