FIESTA (Forest Inventory Estimation for Analysis) is a user-friendly R package that supports the production of estimates for forest resources based on procedures from Bechtold and Patterson (2005). The package produces output consistent with current tools available for the Forest Inventory and Analysis National Program, such as FIDO (Forest Inventory Data Online) and EVALIDator. FIESTA was developed as an alternative data retrieval and reporting tool that is functional within the R environment, allowing customized applications and compatibility with other R-based analyses. FIESTA generates estimates and percent sample errors of the estimates for area, population totals, and ratios, while allowing user-defined boundaries, stratification schemes, and data filters. The features of the tool are demonstrated using temporally sensitive data over diverse areas.