This study examined the effect of agricultural funding on agricultural growth in Nigeria spanning from 1990-2020. The specific objectives were to determine the effect of public capital expenditure on agricultural output in Nigeria, determine the effect of public recurrent expenditure on agricultural output in Nigeria, determine the effect of agricultural credit guarantee scheme on agricultural output in Nigeria, and the effect of Foreign Agricultural Grant on agricultural output in Nigeria. This study adopted the quasi-experimental research design. Secondary data were used in this study. Data used were gotten mainly from the publications of Central Bank of Nigeria (CBN) namely; Statistical Bulletin. The method adopted for analyzing is the Augmented Dickey Fuller test (ADF). Pre-estimation diagnostics tests were employed to check for stationarity of the data to prevent spurious regression analysis. From the regression result, it could be seen that only agricultural credit guaranteed scheme fund (ACGSF) was significant in influencing agricultural output in the period under study (1990-2020) as the probability values of its t-statistics were less than 5%, while public capital expenditure on agriculture (PCEXA), Foreign agricultural grant (FAG) and public recurrent expenditure on agriculture (PREXA) did not have any significant influence on agricultural output as the probability values of their t-statistics were greater than 5%. From the result, ACGSF had a positive and significant effect on agricultural output, meaning that a one-unit increase in funding to the ACGSF brought about (0.357068), this might be due to the ACGSF disbursed directly to farmers therefore its positive influence on agriculture output. On the contrary, FAG, PCEXA and PREXA had no significant effect on agricultural output within the period under study, this might be because these funds were not used for the purposes which were earmarked for. The study concluded that foreign agr