Catholic organizations are groups that operate under the principles and teachings of the Catholic Church. They aim to serve communities, promote social justice, and support the spiritual growth of individuals. These organizations can range from local parish groups to international charities, focusing on various issues such as education, healthcare, and poverty alleviation. Many Catholic organizations are affiliated with specific missions or causes, such as Catholic Relief Services or St. Vincent de Paul Society. They often rely on volunteers and donations to carry out their work, fostering a sense of community and encouraging members to live out their faith through service.