The United Sates Catholic Conference of Bishops (USCCB) has posted the following on it's website:
Various Catholic agencies are collecting donations to aid with the humanitarian crisis in Ukraine, as people flee to escape Russian bombing and shelling. Here are some places to donate.
The international Caritas confederation is collecting funds to help Caritas Ukraine. In the United States, that is through Catholic Relief Services. Internationally, you can donate through Caritas Internationalis.
The Ukrainian Catholic Archeparchy of Philadelphia also has a link to donate.
Two pontifical agencies also are taking donations for Ukraine: Catholic Near East Welfare Association and Aid to the Church in Need. Internationally, Aid to the Church can be reached here.
The Knights of Columbus launched the Ukraine Solidarity Fund for humanitarian needs in Ukraine and through refugee sites in Poland.
Donations can also be made to Jesuit Refugee Service to support the agency’s work with those forced to flee conflict in Europe.
The U.S. Bishops’ Collection for the Church in Central and Eastern Europe designated its annual collection, taken in most diocesan parishes on Ash Wednesday, to support Ukraine and the surrounding region as a result of Russia’s invasion. It offers two ways to give: electronically, through iGiveCatholicTogether.
The Salesians also are accepting donations to help refugees .
The International Catholic Migration Commission has set up an emergency appeal for Ukraine.
AVSI-USA also is collecting for partners helping with Ukrainian refugees.