The study investigated the oviposition and egg viability effects of leaf extracts from Combretum micranthum, Xienmia americana, and Aloysia citrodora on female Anopheles gambiae mosquitoes. Leaves were sourced from Goron-maje Town, Dambatta LGA, Kano State, and extracts were prepared using ethanol, methanol, and ethyl-acetate. Bioassays were conducted at ambient temperature and relative humidity, testing oviposition activity and egg viability. Ethyl-acetate extracts, particularly from A. citrodora, significantly reduced oviposition compared to controls, with a 42.85% decrease. Ethanol extract of C. micranthum also showed reduced oviposition (8.84%). Significant differences were observed in the effects of different concentrations (ppm/mL) of plant extracts compared to controls. X. americana ethanol leaf extract at 20.0 ml concentration showed a 10% decrease in egg viability, while Combretum micranthum extracts at 20.0 ml and 30.0 ml concentrations showed 40.0% and 26.0% reductions in viability respectively. Aloysia citrodora methanol extracts exhibited a lower effect (48.0%) on viability compared to controls. X. americana ethanol leaf extract at 10% concentration significantly reduced hatching ability (26±06.21). Similarly, ethanol and ethyl-acetate extracts of C. micranthum and A. citrodora at 20.0 ml and 30.0 ml concentrations showed decreased hatching abilities compared to controls. The study suggests that ethanol and ethyl-acetate extracts of X. americana, C. micranthum, and A. citrodora could be effective and safer methods for mosquito control.