Ukraine Emergency Appropriations Act of 2022 This bill provides emergency supplemental appropriations for assistance to Ukraine and for other related purposes. Specifically, the bill provides appropriations to the Department of Defense (DOD) to (1) provide specified weapons and equipment to the government of Ukraine, (2) provide NATO member countries with certain weapons and defense articles to bolster deterrence efforts against Russia and to replace items such countries have donated to Ukraine, (3) enhance DOD capabilities to defend against a cyberattack originating from Russia or Belarus and targeting U.S. critical infrastructure or the ability of the United States to retaliate against a nuclear attack, and (4) deliver humanitarian assistance to Ukraine. The bill also provides appropriations to the Department of State to (1) address humanitarian needs in Ukraine caused by Russia's invasion, (2) assist refugees from Ukraine, (3) rebuild infrastructure in Ukraine damaged by Russia's invasion, and (4) support the revitalization of Ukraine's economy after Russia's invasion.