Sustainability in business is becoming a concept that no serious organization can overlook, especially in supply chain operations. A lot of interest has been built on the concept of sustainability in the recent past because of the mounting pressure from the market, government and international non-governmental bodies especially on sustainable development and environmental protection. To achieve sustainability in the supply chain, organizations currently adopt green supply chain management (GSCM) practices. Reverse logistics is one of the commonly practiced GSCM practice. This study intended to examine the effect of reverse logistics on operational performance of sisal processing firms in Nakuru County. The research adopted correlational research design and was a cross sectional survey. It was guided by two objectives; to establish the effect of product recovery on operational performance of sisal processing firms in Nakuru County and to determine the effect of product reuse on operational performance of sisal processing firms in Nakuru County. The target population for the study was employees working in all sisal processing firms in Nakuru County. Purposive sampling was used to select employees in production, procurement, accounting and finance and marketing departments while stratifies random sampling was used to determine the sample for the study. Data will be collected through a structured questionnaire with 5 points likert scale and analyzed through SPSS version 21. Descriptive statistics was used to describe the aspects of reverse logistics and operational performance. Regression analysis was used to determine the effect of reverse logistics on operational performance. The results were presented using tables accompanied with explanations. The study revealed that product recovery and product reuse both have positive effect on operational performance of sisal processing firms. The researcher recommended that management of processing firms should look at reverse logistics as a strategy to achieve competitive advantage and manage it strategically just like other key management areas. The researcher recommended that study should be conducted on the key determinants and drivers of reverse logistics. Further study should be conducted on the relationship between reverse logistics and social performance of processing/manufacturing organizations. Lastly, further study should be conducted on the role of top management in adoption of reverse logistics practices.