International Astronomy (Summer) Research
Opportunities and/or Fellowships

ASPIRE, Amsterdam, The Netherlands: here
ASTRON/JIVE Summer Research Programme, The Netherlands: here
AFAS Data Science Hackathon, South Africa: here
Chalmers Astrophysics & Space Science Summer (CASSUM) Research Fellowship, Sweden: here
Dunlap Institute Summer School, Canada: here
The Leiden/ESA Astrophysics Program for Summer Students (LEAPS), The Netherlands: here
International School for Young Astronomers (ISYA): here
The NEON observing school, different location yearly: here
The Carl-Zeiss-Stiftung-Summer-School, Germany: here
The Advanced ArAS School for Astrophysics—Kottamia Astronomical Observatory, Egypt: here
The South West and Central Asia Regional Astronomical Summer School, Armenia: here (different link every year)
La Silla Observing School, Chile: here
Introductory Summer School in Astronomy and Astrophysics, India: here
Vacation Students' Programme, India: here
International Summer School on ISM of nearby Galaxies: here (different link each year)
Student Summer Internship, MPIA, Germany: here
ESO Summer Research Programme, Garching, Germany: (Priority given to students from ESO Member States, Strategic Partners (Australia) and the Host State (Chile).) here (different link each year)
ESO-Gruber summer school, Garching, Germany: here (different link each year)
The Kavli Summer Program in Astrophysics, The US: here
Regularly check opportunities at the International Space Science Institute (ISSI): here
Postdoctoral research fellowships in space science (ESA): here

Mentoring opportunity