Johns Hopkins University

Writers often drop the final s or add an apostrophe when naming Johns Hopkins. The s belongs to the benefactor's given name, so the correct forms are Johns Hopkins University, Johns Hopkins Hospital, etc. Use the full legal name on first mention; shorten only to Johns Hopkins or JHU afterward.

Below are concise rules, quick checks, and many ready-to-use corrections for work, school, and casual contexts so you can fix sentences immediately.

Quick answer

Write Johns Hopkins (with an s, no apostrophe). Use the full legal name on first mention: Johns Hopkins University, Johns Hopkins Hospital. After that you may use Johns Hopkins or JHU.

Wrong: John Hopkins University
Right: Johns Hopkins University
Wrong: John's Hopkins Hospital
Right: Johns Hopkins Hospital
Short form: JHU or Johns Hopkins (keep the s)

Core explanation: why the s is part of the name

Johns Hopkins was the founder's given name; the final s is not a possessive. Treat "Johns Hopkins" as an indivisible proper noun and keep the space between the two words.

Official examples: Johns Hopkins University; Johns Hopkins Hospital; Johns Hopkins Bloomberg School of Public Health
Avoid: John Hopkins (dropped s), John's Hopkins (added apostrophe), JohnsHopkins (no space)

Wrong: John Hopkins University announced new scholarships.
Right: Johns Hopkins University announced new scholarships.

Common ways writers get it wrong

Three frequent errors change the name: dropping the s, adding an apostrophe, or removing the space. Inconsistent shorthand can also confuse readers on first mention.

Dropped s: John Hopkins
Apostrophe added: John's Hopkins
No space: JohnsHopkins
Unclear short form: Hopkins (use only after the full name is introduced)

Wrong: I interned at John Hopkins last summer.
Right: I interned at Johns Hopkins last summer.
Wrong: We partnered with John's Hopkins on the pilot.
Right: We partnered with Johns Hopkins on the pilot.

Real usage and tone: full names, short forms, and possessives

Use the institution's full legal name on first mention. After that, Johns Hopkins or JHU is acceptable. For possessives, attach the possessive to the full name to stay clear: Johns Hopkins University's study.

Formal first mention: Johns Hopkins University
Later mentions: Johns Hopkins or JHU
Possessive example: Johns Hopkins University's research team

Work - First mention: Johns Hopkins University's Center for Talented Youth released the report.
Work - Follow-up: Researchers at Johns Hopkins replicated the experiment.
School - Possessive: Johns Hopkins University's guidelines require IRB approval.

Double-check institutional names before you publish

A misplaced apostrophe or dropped letter can weaken credibility. Spend a few seconds to confirm an institution's official name on its site or in your preferred style guide.

If you write about organizations often, keep a short reference list of official names to avoid repeating the same error.

Examples you can copy: work, school, and casual corrections

Each pair fixes the dropped s, an apostrophe error, spacing, or ambiguity. Grouped by use case for fast replacement.

Work: memos, emails, reports
School: citations, essays, CVs
Casual: social posts, messages

Work - Wrong: Please forward this memo to John Hopkins' research team by Monday.
Work - Right: Please forward this memo to Johns Hopkins' research team by Monday.
Work - Wrong: Hello John Hopkins team - congratulations on the grant!
Work - Right: Hello Johns Hopkins team - congratulations on the grant!
Work - Wrong: Resume: Internship at John Hopkins University, Summer 2023.
Work - Right: Resume: Internship at Johns Hopkins University, Summer 2023.
School - Wrong: Our report includes data from the John Hopkins Bloomberg School.
School - Right: Our report includes data from the Johns Hopkins Bloomberg School.
School - Wrong: Citation: John Hopkins. (2020). Study on urban health.
School - Right: Citation: Johns Hopkins. (2020). Study on urban health.
School - Wrong: I quoted MacDonald's paper (if the author is McDonald).
School - Right: I quoted McDonald's paper.
Casual - Wrong: He told me he was volunteering at John Hopkins hospital.
Casual - Right: He told me he was volunteering at Johns Hopkins Hospital.
Casual - Wrong: Visiting John's Hopkins today!
Casual - Right: Visiting Johns Hopkins today!
Casual - Wrong: I'm stopping by JohnsHopkins to see the exhibit.
Casual - Right: I'm stopping by Johns Hopkins to see the exhibit.

Rewrite help: 3 quick checks and ready rewrites

Three quick checks: 1) Did you mean the institution/person? 2) Is there a space and an s (Johns Hopkins)? 3) Did you accidentally use an apostrophe? If any fail, replace with the full official name and re-check.

Practical rewrites reduce repetition and fix awkward possessives.

Checklist: institution vs person; Johns + space + Hopkins; no apostrophe
When in doubt, use: "Researchers at Johns Hopkins" or "Johns Hopkins University" on first mention

Rewrite:
Original: John Hopkins University will host the conference.
Rewrite: Johns Hopkins University will host the conference.
Rewrite:
Original: John Hopkins researchers published the paper.
Rewrite: Researchers at Johns Hopkins published the paper.
Rewrite:
Original: I work with John Hopkins lawyers.
Rewrite: I work with lawyers at Johns Hopkins. Alternate: I work with the Johns Hopkins legal team.
Rewrite:
Original: John's Hopkins University's policy is strict.
Rewrite: Johns Hopkins University's policy is strict. Alternate: The university's policy is strict (after full name used).

Try your own sentence

Test the whole sentence rather than the phrase alone; context usually clarifies the correct form. Paste a sentence into a checker or compare against the institution's site if uncertain.

Memory trick: how to remember the correct spelling

Mnemonic: "Johns isn't John's." Treat Johns as a given name; if an apostrophe would seem to fit, it's probably wrong.

Quick web check: type johnshopkins.edu - if it resolves to the official site, the spelling and spacing are correct.

Mnemonic: Johns (name) + Hopkins (surname) = Johns Hopkins
Quick online check: visit johnshopkins.edu to verify unit names
If the name looks like a possessive (John's), stop and correct it

Spacing, hyphenation, and punctuation: small details that matter

Spacing: always two words, "Johns" + "Hopkins." Hyphenation: don't hyphenate in normal prose. Apostrophes: do not add an apostrophe to the name itself.

Possessives: attach the possessive to the full institution name (Johns Hopkins University's team) or follow your style guide for names ending in s.

Correct spacing: Johns Hopkins
Don't hyphenate: Johns-Hopkins (wrong)
No apostrophe in the name itself: not John's Hopkins
Possessive safe form: Johns Hopkins University's team

Wrong: JohnsHopkins released the report.
Right: Johns Hopkins released the report.
Wrong: We collaborated with Johns-Hopkins on the project.
Right: We collaborated with Johns Hopkins on the project.

Grammar rules to keep in mind

Proper nouns retain internal spelling; don't alter letters because part looks like a possessive. Names ending in s may invite possessive-style forms - follow your style guide for s-ending possessives.

When an institution is listed as an author or publisher, use its official name exactly.

Treat Johns as part of the given name, not a possessive
First mention: use full official name; then use JHU or Johns Hopkins
For possessives, prefer the full-name possessive (Johns Hopkins University's research)

Wrong: Johns' Hopkins University announced the award.
Right: Johns Hopkins University announced the award.

Similar mistakes to watch for

Names with internal punctuation, s endings, or prefix variants (Mc/Mac, St./Saint) cause similar confusion. Always confirm the official form before publishing to avoid reputational slips.

St. John's vs St Johns - check punctuation and order
McDonald vs MacDonald - surname variants matter
Founder names that look like possessives - verify official usage

Usage: Wrong: St Johns University announced a game.
Right: St. John's University announced a game.
Usage: Wrong: I quoted MacDonald's paper (if the author is McDonald).
Right: I quoted McDonald's paper.

FAQ

Is it Johns Hopkins or John Hopkins?

It's Johns Hopkins (with an s). The founder's given name was Johns, so dropping the s is incorrect for the person or the institutions bearing his name.

Should I use an apostrophe in Johns Hopkins?

No. Do not write "John's Hopkins." The correct form is Johns Hopkins without an apostrophe. For possessives, add the marker to the full name (e.g., Johns Hopkins University's policy).

Can I abbreviate Johns Hopkins to JHU in formal writing?

Yes - after the first full mention. On first mention in formal writing, prefer the full official name.

How should I cite Johns Hopkins in a bibliography?

Use the institution's official name as the author or publisher: Johns Hopkins University. Then apply your citation style's rules for punctuation and ordering.

Is it okay to say "Hopkins" on its own?

Yes, but only after you've introduced "Johns Hopkins" earlier in the piece. On first mention, use the full official name to avoid ambiguity.

Want to be sure your sentence is correct?

Paste your sentence into a checker or search the institution's site to confirm "Johns Hopkins" is spelled and spaced correctly. Use the rewrites above to replace wrong forms quickly.

If you edit frequently, keep a short reference list of official institution names to avoid repeating the same error.