The concept of social networking literacy emerged with the advent of Web 2.0. This study aims to develop a scale to measure the social networking literacy proficiencies of individuals. An item pool was created after a thorough review of the literature and taking experts views, and then application form prepared. The scale was applied to students of the Faculty of Education of Sakarya University, and reliability and validity analyses were conducted on the data gathered from 313 students, using the SPSS 20 statistical software. Exploratory factor analysis (EFA) was used to examine the construct validity of the scale, and the internal consistency coefficient (Cronbach's Alpha) was used to examine the reliability of the scale. The analyses conducted showed that the scale consisted of 40 items under a single factor which explained 61.179% of the total variance, and the Cronbach's Alpha value calculated to examine the reliability of the scale was 0.98. In conclusion, analyses conducted to examine the reliability and the validity of the Social Networking Literacy Scale (SNLS) show that it is an efficient measurement tool to assess social networking literacy levels of the individuals.