The aim of this study was to investigate the relationship between Self-directed Learning readiness and Metacognition of undergraduate students nurses and midwifery. The research is conducted in a public university in the city center of Amasya with 398 undergraduate nursing and midwifery students in 2017-2018 academic years. A descriptive correlational design was used. A structured questionnaire consisted of two parts: Part I: Socio-demographic data, Part II: Fisher's Self-Directed Learning Readiness scale and Part III: Metacognitive Awareness Inventory (Schraw & Dennison, 1994). Descriptive statistics of the students' demographic attributes were presented. In order to determine whether there was a correlation between the students' self directed learning readiness and their Metacognitive Awareness perceived, the Pearson Moment Correlation coefficient was was calculated. The results showed that (1) There is a positive moderate but significantly relationship between metacognitive awareness and Self-directed Learning Readiness scores. (2) There is a significant relationship between metacognitive awareness and Self-directed Learning Readiness subscores. Metacognition awareness is a predictor of SDLR.