Pendahuluan: Munculnya banyak rumah sakit di Indonesia semakin menimbulkan persaingan antar rumah sakit terutama dalam bidang pelayanan kesehatan. Dalam hal ini perlu mengimplementasikan suatu strategi pemasaran yaitu komponen utama bauran pemasaran seperti (produk, harga, tempat promosi, orang, proses dan bukti fisik). Tujuan: untuk mengetahui Hubungan antara Marketing Mix dengan Loyalitas Pasien Rawat Jalan di RSPI Prof Dr. Sulianti Saroso. Metode Penelitian: kuantitatif dengan pendekatan cross sectional study. Populasi: seluruh pasien rawat jalan dengan sampel 100 responden. Teknik pengambilan sampel: purposive sampling. Hasil Penelitian: ada hubungan pada dimensi produk p value =0.001, dimensi harga p value =0.040, dimensi tempat p value= 0.001, dimensi promosi p value = 0,020 dan tidak terdapat hubungan pada dimensi orang p value = 1.000, dimensi proses p value = 1.000, dan dimensi bukti fisik p value = 1.000.
Kata Kunci : bauran pemasaran, loyalitas pasien, layanan konsumen, rumah sakit

Introduction: The emergence of many hospitals in Indonesia has intensified competition among hospitals, particularly in the field of healthcare services. In this context, it is necessary to implement a marketing strategy that includes the main components of the marketing mix, such as product, price, place, promotion, people, process, and physical evidence. Objective: To examine the relationship between the marketing mix and outpatient loyalty at RSPI Prof Dr. Sulianti Saroso. Research Method: Quantitative research with a cross-sectional study approach. Population: All outpatients, with a sample of 100 respondents. Sampling Technique: Purposive sampling. Research Results: There is a relationship in the product dimension with a p-value of 0.001, the price dimension with a p-value of 0.040, the place dimension with a p-value of 0.001, and the promotion dimension with a p-value of 0.020. However, there is no relationship in the people dimension with a p-value of 1.000, the process dimension with a p-value of 1.000, and the physical evidence dimension with a p-value of 1.000.
Keywords: marketing mix, loyalty patient, customer service, hospital