Objectives: Congenital anomalies are the biggest cause of prenatal, perinatal, or infant mortality and morbidity. A total of 15% of congenital abnormalities involve the craniofacial and oral segment. Orofacial cleft (OC) is one of the most common examples of congenital abnormalities. One example of OC is cleft lip and/or palate (CL/P). The occurrence of the incident varies depending on geographical location, ethnicity, race, environmental exposure, and socioeconomic status of the patients. The aim of the study was to investigate the variation of non‑syndromic CL/P (nsCL/P) in Yayasan Surabaya CLP Center, East Java, Indonesia, as well as the
number of occurrences of clefts in each gender. Materials and Methods: An analytical observational study with cross‑sectional and blind total sampling method was presented. Data obtained from Yayasan Surabaya CLP Center were grouped by type and classified by the LAHSHAL classification system. The numbers were calculated and then divided into occurrence per gender and per family
history. A descriptive analysis was applied and then presented in table form. Results: The number of patients with cleft lip and palate (CLP), cleft lip (CL), and cleft palate (CP) were 163, 57, and 16, respectively. The more detailed type: ...SHAL, .....AL, and ..HSH..,
had the highest number of cases, which were 79, 28, and 10, respectively. Conclusion: Most types of CL/P at Yayasan Surabaya CLP Center were CLP, followed by CL and finally CP. The incidence of CLP and CL was more common in men, whereas CP was more common in women
