Purpose: This study aimed to offer the preliminary data on research trends of audiology and to suggest graduate students and researchers in audiology, while suggesting a better direction of research. Methods: A total of 228 thesis for masters’ degree and dissertation for doctoral degree on audiology from 1999 to 2014 that selected from a legal deposit National Library in Korea were analyzed in terms of method, subjects, and topics of research. Results: First of all, the largest number of the studies were conducted during the period from 2007 to 2010. Second, the methodology of researches was experimental study (83.3%), survey study (11.3%) and case study (2.4%). As we expected, an experimental study was most of all. Third, the range of academic interests and approaching efforts toward audiology had been expanded to various areas including aural rehabilitation, hearing assessment, amplification, auditory processing disorder, vestibular, tinnitus, hearing management, hearing conservation. However, most of the topics were related to hearing assessment. Finally, the research subjects were related to adults in general. Conclusion: The findings of this study provide the opportunities to show new light on the current status of master’s thesis and doctoral dissertation and to deliberate on the future research direction of audiology in Korea.