Data localization is a phenomenon that is of increasing global significance, as a growing number of countries impose data localization requirements on data controllers. This paper discusses data localization in the ASEAN context. It proposes a schema of data localization laws which comprises two categories of data localization requirements. This schema is used to examine data localization laws within ASEAN, and it will be shown that there is presently a moderate level of data localization among ASEAN Member States. The paper then discusses how data localization is dealt with in the EU and in ASEAN, addressing some recent developments in the two regimes. It concludes with recommendations for ASEAN's approach to data localization, drawing from the EU regime.