By agency

U.S. National Science Foundation grants

Browse 123 open U.S. National Science Foundation funding opportunities from grants.gov. See deadlines and award amounts, then find the ones you qualify for.

Open grants from this agency

• Linguistics
  U.S. National Science Foundation · closes Jan 15, 2027
• Arctic Research Opportunities
  U.S. National Science Foundation · closes Jan 15, 2027
• EPSCoR Research Infrastructure Improvement Program: EPSCoR Collaborations for Optimizing Research Ecosystems (E-CORE)
  U.S. National Science Foundation · closes Jul 20, 2027
• Algebra and Number Theory
  U.S. National Science Foundation · closes Oct 9, 2026
• Mathematical Foundations of Artificial Intelligence (MFAI)
  U.S. National Science Foundation · closes Oct 9, 2026
• Engineering Research Initiation (ERI)
  U.S. National Science Foundation · closes Oct 9, 2026
• Mathematical Biology
  U.S. National Science Foundation · closes Oct 14, 2026
• Research Experiences for Teachers (RET) in Engineering and Computer Science
  U.S. National Science Foundation · closes Oct 14, 2026
• Tribal Colleges and Universities Program (TCUP)
  U.S. National Science Foundation · closes Oct 14, 2026
• NSF Astronomy and Astrophysics Postdoctoral Fellowships (AAPF)
  U.S. National Science Foundation · closes Oct 15, 2026
• Historically Black Colleges and Universities - Excellence in Research (HBCU - EiR)
  U.S. National Science Foundation · closes Oct 20, 2026
• Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)
  U.S. National Science Foundation · closes Oct 21, 2026
• Geometric Analysis
  U.S. National Science Foundation · closes Nov 3, 2026
• Topology
  U.S. National Science Foundation · closes Nov 3, 2026
• SBE Postdoctoral Research Fellowships
  U.S. National Science Foundation · closes Nov 4, 2026
• Unlocking Dataset Value for AI-Enabled Scientific Discovery (AI Datasets)
  U.S. National Science Foundation · closes Nov 4, 2026
• U.S. National Science Foundation State and Regional Artificial Intelligence Infrastructure Hubs:
  U.S. National Science Foundation · closes Nov 4, 2026
• NSF Small Business Innovation Research / Small Business Technology Transfer Phase I, Phase II, Fast-Track Programs: A Pilot Emphasis on Scientific Instrumentation
  U.S. National Science Foundation · closes Nov 4, 2026
• PFE: Research Initiation in Engineering Formation (PFE: RIEF)
  U.S. National Science Foundation · closes Nov 10, 2026
• Applied Mathematics
  U.S. National Science Foundation · closes Nov 16, 2026
• Astronomy and Astrophysics Research Grants
  U.S. National Science Foundation · closes Nov 16, 2026
• Plasma Physics
  U.S. National Science Foundation · closes Nov 16, 2026
• National Science Foundation Translation to Practice (NSF TTP)
  U.S. National Science Foundation · closes Nov 17, 2026
• National Science Foundation Fostering Interdisciplinary Networks to Develop Emergent and Responsive Solutions Foundry (NSF FINDERS FOUNDRY)
  U.S. National Science Foundation · closes Nov 18, 2026
• Computational Mathematics
  U.S. National Science Foundation · closes Dec 1, 2026
• Archaeology Program Senior Research Awards
  U.S. National Science Foundation · closes Dec 1, 2026
• Archaeometry (AMTRY)
  U.S. National Science Foundation · closes Dec 1, 2026
• Centers of Research Excellence in Science and Technology (CREST)
  U.S. National Science Foundation · closes Dec 4, 2026
• IUSE: Innovation in Two-Year College STEM Education (ITYC)
  U.S. National Science Foundation · closes Dec 9, 2026
• Statistics
  U.S. National Science Foundation · closes Dec 15, 2026

About U.S. National Science Foundation grants

The U.S. National Science Foundation posts federal funding opportunities on grants.gov throughout the year. This page tracks the 123 currently open, refreshed daily, so you can see live deadlines in one place instead of searching the federal portal.

Award sizes and eligibility vary by program. Before applying, confirm your organization is registered in SAM.gov and check each opportunity's eligibility on grants.gov. Grant Match can tell you which of these U.S. National Science Foundation grants fit your organization in seconds.

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