Dear Colleague Letters

NSF Dear Colleague Letters (DCLs) are announcements from the U.S. National Science Foundation (NSF) that offer updates to existing NSF programs or encourage applicants of NSF existing grants to focus on specific areas of special interest to the agency.

Ongoing Dear Colleague Letters

Research Experiences for Undergraduates (REU) and Research Experiences for Teachers (RET) Supplemental Funding in Computer and Information Science and Engineering.
NSF 24-048
Deadline: March 31st each year. Funding requests submitted after this date may have limited availability.

Computer and Information Science and Engineering Graduate Fellowships (CSGrad4US)
NSF 24-033
Deadline: March 31st each year. Funding requests submitted after this date may have limited availability.

A New Supplemental Funding Opportunity for Skills Training in Advanced Research & Technology (START).
NSF 23-093
Deadline: Supplemental funding requests may be submitted at any time, with a target submission date of April 15th for consideration within the fiscal year.

Supplemental Funding Requests to Conduct Experimental Research on the NSF-funded Platforms for Advanced Wireless Research (PAWR)
NSF 24-100
Deadline: Supplemental funding requests are accepted any time, but the FY consideration deadline is June 15. This DCL remains active until June 15, 2026.

STEM Access for Persons with Disabilities (STEM-APWD).
NSF 23-160
Deadline: Submissions are due by 5 p.m. local time on the second Thursday of November.

Joint National Science Foundation and United States Department of Agriculture National Institute of Food and Agriculture Funding Opportunity: Supporting Foundational Research in Robotics (FRR)
NSF 24-080
Deadline as specified by the Foundational Research in Robotics program.

Special Guidelines for Submitting Collaborative Proposals under the National Science Foundation and Czech Science Foundation Collaborative Research Opportunities.
NSF 23-094
Deadline: Proposals must be submitted in accordance with the deadlines of the participating NSF programs.

Veterans Research Supplement (VRS) Program.
NSF 23-161
Deadline: There is no deadline for submissions of supplemental funding requests.

Inviting Proposals Related to Open-Source Software Security to the Secure and Trustworthy Cyberspace Program.
NSF 23-149
Deadline: Proposals may be submitted at any time.

Graduate Research Internships in Forensic Science and Criminal Justice Contexts (NSF-NIJ INTERN) Supplemental Funding Opportunity.
NSF 23-150
Deadline: Supplemental funding requests may be submitted at any time.

International Multilateral Partnerships for Resilient Education and Science System in Ukraine (IMPRESS-U).
NSF 23-135
Deadline: Proposals and supplemental funding requests may be submitted at any time. 

U.S.-UK Research Collaboration under the NSF-UKRI/Engineering and Physical Sciences Research Council Lead Agency Opportunity.
NSF 23-128
Deadline: Ongoing.

Special Guidelines for Submitting Collaborative Proposals in Cybersecurity under U.S. National Science Foundation (NSF) and Deutsche Forschungsgemeinschaft e.V. (German Research Foundation, DFG) Collaborative Research Opportunities.
NSF 23-051
Deadline: Proposals may be submitted at any time.

Graduate Research Internships in Forensic Science and Criminal Justice Contexts (NSF-NIJ INTERN) Supplemental Funding Opportunity
NSF 23-150
Deadline: Supplemental funding requests may be submitted at any time.

Inviting Proposals Related to Open-Source Software Security to the Secure and Trustworthy Cyberspace Program
NSF 23-149
Deadline: Proposals accepted at any time.

International Multilateral Partnerships for Resilient Education and Science System in Ukraine (IMPRESS-U)
NSF 23-135
Deadline: There are no deadlines for proposal submissions or supplemental funding requests under this DCL, so proposals and requests may be submitted at any time. All proposals and supplemental funding requests will be reviewed as soon as practical.

A proposer or NSF PI must contact and consult with an NSF Program Director in OISE and/or the relevant disciplinary program in advance regarding the content and timing of their submission.

U.S.-UK Research Collaboration under the NSF-UKRI/Engineering and Physical Sciences Research Council Lead Agency Opportunity
NSF 23-128
Deadline: Ongoing.

Special Guidelines for Submitting Collaborative Proposals under the National Science Foundation and Czech Science Foundation Collaborative Research Opportunities
NSF 23-094
Deadline: remains in effect until archived.

A New Supplemental Funding Opportunity for Skills Training in Advanced Research & Technology (START)
NSF 23-093
Deadline: Supplemental funding requests may be submitted at any time in FY2023 with a target date of June 15, 2023 to be reviewed for possible funding prior to October 1, 2023. For each subsequent fiscal year, supplemental funding requests may be submitted at any time with a target date of April 15th for possible funding in that Fiscal Year.

Special Guidelines for Submitting Collaborative Proposals in Cybersecurity under U.S. National Science Foundation (NSF) and Deutsche Forschungsgemeinschaft e.V. (German Research Foundation, DFG) Collaborative Research Opportunities
NSF 23-051
Deadline: Neither SaTC nor DFG have submission deadlines, so proposals may be submitted at any time.

Proposals for the Future of Designing Accountable Software Systems (DASS) 
NSF 25-026

National AI Research Resource (NAIRR) Pilot seeks datasets to facilitate AI education and researcher skill development.
NSF 25-018

Research Collaboration Opportunity in Europe for NSF Recipients.
NSF 24-126

Planning Grants to Create Artificial Intelligence (AI)-Ready Test Beds
NSF 24-111

NAIRR Pilot Expansion: Researcher Training, Community Outreach, and Classroom Education
NSF 24-109

Research Collaboration Opportunity in Europe for NSF Recipients
NSF 24-053

National Discovery Cloud for Climate Opportunities.
NSF 24-024

Advancing education for the future AI workforce (EducateAI)
NSF 24-025

Global Centers Program Competition
NSF 24-023

Medical / Health Cyber Physical Systems Proposals
NSF 24-017

NSF-French National Research Agency (ANR) Quantum Information Science and Engineering Lead Agency Opportunity
NSF 23-159

Special Guidelines for Submitting Collaborative Proposals under U.S. National Science Foundation (NSF) and the Ministry of Electronics and Information Technology (MeitY) of India Collaborative Research Opportunities
NSF 23-139

NSF and NEH Collaborates with Canada's 2023 International Joint Initiative for Research on Climate Change Adaptation and Mitigation Competition
NSF 23-116

Special Guidelines for Submitting Collaborative Proposals under U.S. National Science Foundation (NSF) and the Department of Science and Technology (DST) of India Collaborative Research Opportunities
NSF 23-114

Clean Energy Technology RAISE or EAGER Proposals
NSF 23-109

Conference Proposals on Clean Energy Topics
NSF 23-108

Supporting Computing & Networking Research for a National Discovery Cloud for Climate (NDC-C)
NSF 23-101

Request for Information on Future Topics for Workforce Development in Emerging Technology Career Pathways
NSF 23-100

A Request for Input on the Development of the U.S. Research Security and Integrity Information Sharing Analysis Organization
NSF 23-098

Availability of Earth Observation Data for NSF-Funded Researchers
NSF 23-092

Supporting Cybersecurity & Privacy Education and Workforce Development
NSF 23-091

Seeking US Industry and US Federal Agency Partners to Support Research Projects in Advanced Networking Systems
NSF 23-090

Joint NSF-JST Proposals to Advance Human-Centered Data for Disaster Resilience Research (HCDDRR)
NSF 23-089

Updates to the Navigating the New Arctic (NNA) Program
NSF 23-088

Research Collaboration Opportunity in Europe for NSF Awardees
NSF 23-085

Interdisciplinary REU Sites at the Intersection of Computing and Communication Foundations and Mathematics and Statistics
NSF 23-082

Computer and Information Science and Engineering Graduate Fellowships (CSGrad4US)
NSF 23-074

INCLUDES Alliances - Strengthening and Scaling Systems Transformation
NSF 23-076

Request for Information on Future Directions for the NSF Secure & Trustworthy Cyberspace Program
NSF 23-063

SII-NRDZ-SBE: Radio Spectrum Sharing - The Human Environment
NSF 23-065

Updated proposal submission due dates for Computer and Information Science and Engineering: Core Programs
NSF 23-062

Advice related to the potential renewal of NSF AI Institute Awards
NSF 23-048

Supplemental funding opportunity for use-inspired and translational research activities in support of current Future of Work at the Human-Technology Frontier (FW-HTF: Core Research) research awards
NSF 23-047

Partnership for Prototyping of CMOS+X Systems
NSF 22-076