Nonlinear bending analysis of sandwich plate with porous core having non-uniform symmetric porosity distribution subjected to transverse non-uniform loading is presented in the paper. The plate structure is modeled in finite element based software and analyzed for various loading as well as boundary conditions. The loading patterns considered in the analysis are sinusoidal, concentrated, parabolic, and uniformly distributed load. The structure is having porous core with non-uniform distribution of porosity. The study reveals that the displacement of the plate under transverse concentrated load is more compared to the other loading patterns with total loading magnitude to be same. Moreover, keeping the same amount of porosity within the core of the sandwich plate for both uniform and non-uniform porosity distribution, sandwich plate with core having non-uniform porosity distribution show less displacement than uniform porosity distribution under same loading condition. Hence, it is more significant to understand the loading patterns as well as porosity distribution patterns for porous sandwich plate structures.