The European Union Act (or European Union Bill) can refer to several pieces of legislation.
Acts in the United Kingdom European Communities Act 1972 (UK) European Union (Accessions) Act 1994 European Union (Accessions) Act 2003 European Union (Accessions) Act 2006 European Union (Amendment) Act 2008 European Union Act 2011 European Union (Approval of Treaty Amendment Decision) Act 2012 European Union (Croatian Accession and Irish Protocol) Act 2013 European Union (Approvals) Act 2013 European Union (Finance) Act 2015 European Union Referendum Act 2015 European Union (Notification of Withdrawal) Act 2017 European Union (Withdrawal) Act 2018 European Union (Withdrawal) Act 2019 European Union (Withdrawal) (No. 2) Act 2019 European Union (Withdrawal Agreement) Act 2020 European Union (Future Relationship) Act 2020 Scottish Parliament UK Withdrawal from the European Union (Continuity) (Scotland) Act 2020
Bills in the United Kingdom European Union Bill 2004–05 European Union (Referendum) Bill 2013–14 Scottish Parliament UK Withdrawal from the European Union (Legal Continuity) (Scotland) Bill 2018
Acts in Gibraltar European Union (Referendum) Act 2016 (Gibraltar)
See also European Communities Act (disambiguation)