This study examines the Hydrological Cycle Disruptions in Tropical Rainforests Due to Deforestation. Deforestation in tropical rainforests profoundly disrupts the hydrological cycle, leading to significant environmental and climatic changes. The hydrological cycle, which governs the movement of water through evaporation, transpiration, condensation, precipitation, infiltration, and runoff, is intricately linked with forest ecosystems. Tropical rainforests, with their dense vegetation, play a critical role in this cycle by facilitating high rates of evapotranspiration and contributing to local and regional precipitation patterns. When forests are cleared, the immediate impact is a reduction in evapotranspiration due to the loss of trees and other vegetation. This reduction decreases atmospheric moisture, leading to lower cloud formation and reduced rainfall. The loss of canopy cover also increases surface runoff and soil erosion, as the protective layer of vegetation that intercepts rainfall and stabilizes the soil is removed. Consequently, this results in increased flooding and sedimentation in waterways, impacting water quality and aquatic habitats. Furthermore, deforestation reduces groundwater recharge by preventing rainwater from percolating into the soil and replenishing aquifers. This can lead to diminished freshwater availability, affecting both natural ecosystems and human communities. The altered land surface, with its increased albedo and heat absorption, further exacerbates local warming and disrupts regional climate patterns. The consequences of these disruptions are far-reaching, including altered weather patterns, increased vulnerability to droughts and floods, and impacts on biodiversity. Addressing these issues requires a comprehensive understanding of the hydrological cycle and concerted efforts to mitigate deforestation and restore forested areas to safeguard the ecological balance and water resources essential for life.