Here are a few sites you could use to apply for scholarships for study abroad for graduate students.
Robert J. Mundt Memorial Scholarship for International Study - http://edabroad.uncc.edu/student-resources/scholarships/university-and-oea-scholarships This merit-based scholarship is intended to defray costs associated with a study abroad experience. Any full-time graduate or undergraduate UNC Charlotte student is eligible for this scholarship. The award amount is $1,000.
Cultural Vistas Fellowship - https://culturalvistas.org/programs/abroad/cultural-vistas-fellowship/ The Cultural Vistas Fellowship affords underrepresented U.S. university students the unique opportunity to advance their career goals, develop global competencies, and experience life in another culture.
DiversityAbroad.com Study Abroad Scholarship - https://www.diversityabroad.com/ The Diversity Abroad community inspires, connects, and assists you in reaching your academic and career potential in our increasingly interconnected world. We connect you to study abroad, global
The Foundation for Global Scholars (FGS) Scholarship - http://www.fgscholars.org/ The Foundation for Global Scholars, a 501(c)3 nonprofit organization, inspires and equips young adults to tackle global challenges through international experience, leadership skills and cultural competence.
Go! Overseas Scholarship (Study and Volunteer Programs) - https://www.gooverseas.com/scholarships/study-abroad-application Any student currently enrolled in an American institution who wants to study or intern abroad in 2017/2018 can apply to the scholarship.