Columbia University offers various scholarships for international students who are interested in pursuing a Masters degree at the university. Some of the scholarships available include:

1. Columbia University Scholarships: These scholarships are awarded to outstanding international students who are pursuing a Masters degree at Columbia University. They cover full or partial tuition fees, as well as living expenses.
2. International Students Fellowship: This fellowship is available to international students who are admitted to a Masters degree program at Columbia University. It covers full tuition fees and provides a living stipend.
3. African Economic Research Consortium (AERC) Scholarship: This scholarship is available to African students who are interested in pursuing a Masters degree in economics at Columbia University. It covers tuition fees, provides a living allowance, and includes a travel allowance.
4. Obama Foundation Scholars Program: This program is available to international students who are interested in pursuing a Masters degree at Columbia University and are committed to working in a civic leadership role after graduation. It covers tuition fees, provides a living stipend, and includes opportunities for leadership training and networking.

To apply for these scholarships, international students should check the specific requirements and deadlines on the Columbia University website. Most scholarships require an application for admission to a graduate program at Columbia University, as well as additional materials such as essays, transcripts, and letters of recommendation.