ABSTRACT Alejandrino, Jennalyn B., Mercado, Richelle May G., Tolentino, Mark Vincent D., College of Engineering and Computer Studies, Pampanga State Agricultural University, Magalang, Pampanga, June 2023, "ONLINE MARKETING PLATFORM OF NATURALLY GROWN PRODUCTS OF ARAYAT". Adviser: Prof. Romana B. Pare The Arayat Online Marketing Platform for Naturally Grown Products has been created to aid farmers in marketing and selling their products online, to recogniíze and help farmers in reducing the issues they face when selling their products. The study's main goal was to design and develop an online marketing platform for promnoting and selling products on social media channels through Facebook, sending order confirmation texts to buyers and sellers, reserving products for customers, allowing customers to enter product comments, feedback, and star ratings, creating a seller account for products to sell, develop a message page where customers could send questions to the seller, and generate reports for seller and admin. The researchers used a descriptive and quantitative technique to obtain data relevant to the study's design and development. An interview and survey questionnaire were used to collect survey results from 388 buyers, 5 farmers, and 1 admin. Microsoft Excel was used to assess the respondent's views to get the mean frequency and interpretation. An interview and a survey questionnaire were utilized as instruments and measured on a Likert scale. Based on the statistical analysis of the buyers who evaluated the system's functional ability, the researchers obtained an overall mean of 3.86 which was interpreted as Strongly Agree. The overall mean of the farmer's perception of the level of effectiveness was 3.6 which was interpreted as Strongly Agree. On the LGU, the reliabilityy of the developed systen gained an overall mean of 3.78 and was interpreted as Strongly Agree, and the IT experts provided a mean of 3.6 which was also interpreted as Strong Agree. The overall evaluation indicates that the systern reds the objectives established for the promotion and marketing of naturally grown products online; therefore the Online marketing platform of naturally grown products of Arayat to customers and sellers is the most advantageous method that would benefit them to maket their products and to consumers who purchase across sectors.