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Pesticide residues in food are intentional pollutants such as insecticides, fungicides, herbicides, miticides, and plant activators. The insecticides diazinon and malathion are classified as probably carcinogenic to humans (Group 2A) by the International Agency for Research on Cancer under the World Health Organization, and the fungicides chlorothalonil and hexachlorobenzene are classified as possibly carcinogenic to humans (Group 2B). In this study, gas chromatography and gas chromatography–tandem mass spectrometry analyses were used to identify the concentrations of pesticide residues in agricultural products and to assess the effects of chronic human exposure to pesticide residues via agricultural consumption. Food consumption data were obtained from the Korea National Health and Nutrition Examination Survey 2016–2018. Chronic exposures using mean consumption data for the whole population, with mean concentration of pesticide residues, were 5.15E-11 ~ 2.08E-05 (LB) and 2.41E-07 ~ 4.69E-05 mg/kg bw/day (UB), corresponding to 0.00012 ~ 2.16% of hazard index (HA). Exposures to pesticide residues using the 95th percentile of the consumption data were 0 ~ 8.76E-05 (LB) and 9.26E-07 ~ 1.56E-04 mg/kg bw/day (UB), corresponding to 0.00045 ~ 9.41% of HA.