Journal of Functional Analysis

{{Infobox journal

| title = Journal of Functional Analysis

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| abbreviation = J. Funct. Anal.

| discipline = functional analysis

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| editor = Guido De Philippis, Alexandru D. Ionescu, Stefaan Vaes

| publisher = Elsevier

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| history = 1967–present

| frequency = Semi-monthly

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| ISSN = 0022-1236

| eISSN = 1096-0783

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| OCLC = 909719210

| website = https://www.sciencedirect.com/journal/journal-of-functional-analysis

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The Journal of Functional Analysis is a mathematics journal published by Elsevier. Founded by Paul Malliavin, Ralph S. Phillips, and Irving Segal,{{cite journal|doi=10.1016/j.jfa.2008.09.008 |last1=Brezis |first1=Haïm |authorlink1=Haïm Brezis |last2=Strook |first2=Daniel W. |authorlink2=Daniel W. Stroock |title=Paul Malliavin and the Journal of Functional Analysis |journal=Journal of Functional Analysis |volume=255 |number=9 |pages=2097–2098 |year=2008 |url=https://core.ac.uk/download/pdf/82579861.pdf|doi-access=free }} its editors-in-chief are, as of April 2024, Guido De Philippis, Alexandru D. Ionescu and Stefaan Vaes.{{cite web|url=https://www.journals.elsevier.com/journal-of-functional-analysis/editorial-board |title=Journal of Functional Analysis Editorial Board |website=journals.elsevier.com |accessdate=24 April 2024}}

It is covered in databases including Scopus,{{cite web|url=https://www.scopus.com/sourceid/23894 |title=Source details: Journal of Functional Analysis |website=Scopus |accessdate=6 January 2020}} the Science Citation Index, and the SCImago Journal Rank service.{{cite web|url=https://www.scimagojr.com/journalsearch.php?q=23894&tip=sid&clean=0 |title=Journal of Functional Analysis |website=Scimago Journal Rank |accessdate=6 January 2020}}