Purpose The objective of this study is to develop the Sexual Orientation Myths Scale (SOMS) and to specify its validity and reliability. Design and Methods This is a methodological research. Voluntary participiants studying at a state university in Turkey constituted the samples of the research. Findings The Cronbach's alpha coefficient of the scale is 0.85. In the factor analysis carried out with the remaining 19 items on the scale, a five-factor structure that explained 57.628% of the variance and had a factor loading value of above 0.40 emerged. Factorial model of scale was found an excellent fit. Practice Implications The scale can be beneficial for individuals to determine their adoption levels of sexual orientation-related myths and for providing data for health education programs planned to be created.