U.S. National Science Foundation · United States

Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)

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U.S. National Science Foundation expects to make 45 awards of $190,000 each, from a total budget of $8.5 million. Applications close on 20 Oct 2027. Eligible applicant types include others (see text field entitled "Additional Information on Eligibility" for clarification).

Deadline: 20 Oct 2027 (in 339 days)
Grant amount: $190,000 per project
Total budget: $8.5 million
Funding rate: No mandatory cost sharing stated; funding percentage not stated
Total budget: $8.5 million
Expected awards: 45
Cost sharing: Not required
Funder: U.S. National Science Foundation
Reference: 23-603
Assistance listing: 47.049 Mathematical and Physical Sciences
Last checked: 13 Nov 2026

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About this call

The purpose of the Mathematical Sciences Postdoctoral Research Fellowships (MSPRF) is to support future leaders in mathematics and statistics by facilitating their participation in postdoctoral research environments that will have maximal impact on their future scientific development. There are two options for awardees: Research Fellowship and Research Instructorship. Awards will support research in areas of mathematics and statistics, including applications to other disciplines.

Who can apply

Others (see text field entitled "Additional Information on Eligibility" for clarification)

*Who May Submit Proposals: Proposals may only be submitted by the following:

-The Mathematical Sciences Postdoctoral Research Fellowships are awards to individuals, and proposals are submitted directly by the fellowship proposer to NSF. Fellows must affiliate with institutions or organizations (e.g., Institutions of Higher Education (IHEs), government and national laboratories and facilities, privately sponsored nonprofit institutes and museums, and for-profit organizations under certain conditions). 

*Who May Serve as PI:

An individual is eligible to submit a proposal to this program if all the following criteria are met:

Must, at the time of submission, be a U.S. citizen, U.S. national, or a legally admitted permanent resident alien of the United States; 

May not have held the doctoral degree more than 2 years as of January 1 of the year of the award;

Must propose research in an area of mathematics or statistics;

Read the full text

May not have previously been a principal investigator or co-principal investigator of an NSF award (other than a graduate research fellowship or an award in support of a conference or workshop);

May not submit a research plan duplicated in another NSF proposal;

Must not have previously been offered an award by the MSPRF program; and

Must have a doctoral degree conferred before the postdoctoral appointment start date.

Proposals that fail to meet the above eligibility requirements will be returned without review.

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Applicant categories are a starting point. The official call decides eligibility.

Topics

Science and Technology and other Research and Development

How to apply

Apply through the funder’s official page (link below); it states the procedure, documents and deadline.

From the call text

Who can apply: Not stated in the call text we hold — check the official page
Company stage: Not stated in the call text we hold — check the official page
Single applicant or consortium: Not stated in the call text we hold — check the official page
Where applicants must be based: Not stated in the call text we hold — check the official page
Where to apply: Not stated in the call text we hold — check the official page

Contact

U.S. National Science Foundation · grantsgovsupport@nsf.gov · 703-292-4203

Official sources

Official call page · Funder's programme page

Facts on this page come from the official source and were last checked 13 Nov 2026. The funder's own documents, including later amendments, always take precedence.