Grieve amendment may refer to a number of amendments tabled by Dominic Grieve, mostly associated with parliamentary votes on Brexit, including:

Amendments to the European Union (Withdrawal) Act 2018: Alteration of Clause 9 (Amendment 7), designed so parliament would have a final say on any UK-EU deal; Alternative amendment by Grieve, designed to force the prime minister to report to parliament in the event of a no-deal Brexit and gain parliamentary approval for any future plans; Government compromise amendment, requires the prime minister to report to parliament but does not require any parliamentary approval for future plans; Amendment to the Northern Ireland (Executive Formation etc) Act 2019, designed to prevent the prorogation of parliament in the run up to the 31 October Brexit deadline.