The chapter explores the integration of nanotechnology in agroforestry, particularly in arid regions where conventional farming methods fail to optimize productivity. The Introduction sets the stage by elucidating the pressing need for sustainable and efficient agriculture in arid zones. The Benefits of Agroforestry section delineates how the different multi-layered agroforestry systems enhance biodiversity and social benefits and optimize land and water use. The following section, Nanobiostimulants and Nanofertilizers in Agroforestry Plant Production, provides a list of the effectiveness of nanomaterials in nutrient uptake, water retention, and resistance against pests and diseases in different agroforest plant species. Furthermore, the section Nanobiostimulants and Nanofertilizers that could be used in Agroforestry Systems to Mitigate Environmental Challenges underscores the role that a series of nanomaterials can play in ameliorating the productivity of agroforestry systems. The chapter aims to guide researchers, policymakers, and technicians interested in sustainable agroforestry solutions via nanotechnology.