Dominika Anna Krois[1] (born 1972)[2] is a Polish civil servant and diplomat who served as a Permanent Representative of Poland to the United Nations Office at Vienna (2019–2024).

She was working as Second Secretary for EU affairs at the Embassy in Berlin (2001–2005) and as First Secretary, Counsellor and First Counsellor at the Permanent Representation of Poland to the UN Office and International Organisations in Vienna, being responsible for issues of security, non-proliferation, terrorism and official development assistance (2006–2010).

She was also a deputy chair of the Conference of the States Parties to the United Nations Convention against Transnational Organized Crime.

At the MFA, Krois worked at the departments of the European Union, Legal and Treaty Affairs, and Foreign Policy Strategy and Planning.

She was serving also as a member of the European External Action Service at the EU Delegation to the International Organisations in Vienna (2011–2015), and as the coordinator of the relations with OSCE, being in charge of the European security policy, and relations with Eastern Europe countries (2015–2019).