This study investigated the accuracy and readability of Wikipedia on the subject of hearing loss. A total of 39 articles were evaluated using a modified version of the DISCERN quality rating tool and the Flesch-Kincaid Grade Level tool. Twenty percent of articles were rated as ‘Good’ in accuracy, 60% as ‘Moderate’, with the remaining 20% rated as ‘Poor’. All articles, with the exception of one, scored 10 or above in readability, indicating a level of reading which is difficult to understand. A focus on improving the readability of Wikipedia for the general public is recommended to improve its effectiveness as an online health resource.