Cockroaches are insects classified as pests and vectors of several diseases, so their population needs to be reduced. Cockroach control methods can be done physically, chemically, and biologically. Plants that have the potential as vegetable insecticides are catnip leaves (Nepeta cataria). Catnip has downy leaves and stems that give it a green appearance. This plant contains nepetalactone, saponin, and essential oils. This study aimed to determine the effectiveness of catnip leaf extract as a vegetable insecticide against the American cockroach (P. americana). This study used a Factorial, completely randomized design (CRD). The variables studied were the concentration of catnip leaf extract with concentrations of 0%, 2%, 5%, 8%, 11%, and contact times of 3 hours, 6 hours, 9 hours, 12 hours on cockroaches were caught from residential areas 1-3 days before treatment. The samples used for all treatments were 10 x 5 concentration x 4 time x 2 replication = 400 tails. Analysis using ANOVA and multiple linear regression test. The results showed that the highest mortality was at a concentration of 11% (2.13 birds) and a contact time of 12 hours (2.20 individuals). Mortality of P. americana was significantly different based on concentration (p-value=0.007) and contact time (p-value=0.002). The regression analysis results showed the effect of concentration and contact time on cockroach mortality by 56.1% and 57.3%, respectively. Although the mortality effect is low, studies have proven that catnip leaves can be an alternative to getting rid of cockroaches. Further research is needed to obtain a dose and contact time that provides a better mortality effect.