This article argues that only a limited form of EU citizenship is available to transgender people. As the paper demonstrates, transgender Union citizens face numerous difficulties when they exercise their right to free movement, despite such movement being the core of Union citizenship. Rather, transgender individuals only have access to a considerably restricted form of EU citizenship which is guaranteed as part of their fundamental status conferred by EU Treaties. The article points out that the current approach of including transgender (...) discrimination in the purview of discrimination on the grounds of sex fails to tackle the issue because it is conceptually problematic and largely ineffective. As a solution to remedy the issue, the paper suggests overhauling the existent approach to trans discrimination in a way that makes it capable of ensuring that transgender persons enjoy their Union citizenship to its fullest extent. (shrink)