The usual sergeant abbreviation is Sgt., with a capital S, two lowercase letters and a period. It is the form you see before a name in news stories, police reports, letters and invitations, as in "Sgt. Maria Lopez." Inside the military, each branch has its own style: the U.S. Army writes SGT in all capitals, and the Marine Corps writes Sgt without a period.
In every version you still say the whole word out loud, SAR-jent. Nobody reads the letters one by one. The short form is just a way to save space in titles, name tags, signatures and lists of ranks.
Quick facts
Standard abbreviation
Sgt.U.S. Army style
SGTMarine Corps style
SgtPlural
Sgts.Pay grade
E-5 in the Army and Marine CorpsUsed in
News, police titles, military records, lettersNot to be confused with
Sr. (senior) and St. (saint or street)
Sergeant abbreviation by setting
Which form is right depends on who is writing. Civilian writing and most news outlets use one style, and the services use their own.
| Setting | Form | Example |
|---|---|---|
| News and general writing | Sgt. | Sgt. Ben Carter |
| U.S. Army | SGT | SGT Ben Carter |
| U.S. Marine Corps | Sgt | Sgt Ben Carter |
| Police and sheriff offices | Sgt. | Sgt. Carter, patrol division |
The Army habit of all capital rank codes comes from its records and uniform name systems. Marine style drops the period but keeps lowercase letters. Outside those settings, Sgt. with a period is the safe choice.
What is the abbreviation for sergeant in higher ranks?
Sergeant is part of many longer ranks, and each one has its own short form. AP style, which newspapers follow, uses these:
- Staff Sgt. for staff sergeant
- Sgt. 1st Class for sergeant first class
- Master Sgt. for master sergeant
- 1st Sgt. for first sergeant
- Sgt. Maj. for sergeant major
Inside the Army, the same ranks become short codes: SSG, SFC, MSG, 1SG and SGM. The Marine Corps writes SSgt, GySgt for gunnery sergeant, MSgt, 1stSgt and SgtMaj. The Air Force uses SSgt, TSgt for technical sergeant, MSgt, SMSgt and CMSgt. Other service terms and rank titles are gathered on our government and military acronyms hub.
Writing Sgt. before a name
Use the abbreviation when the title sits right before a full name. On second mention, many writers use only the last name, or the title and last name together.
Local news line: "Sgt. Dana Brooks of the city police spoke at the meeting. Brooks said patrols will increase near the school." The rank is shortened before the name and dropped after.
With no name after it, the word goes back to plain lowercase letters: "She was promoted to sergeant last spring." Writing "She became a Sgt." looks clumsy in normal sentences.
Plural and capital letters
The plural of the short form is Sgts., as in "Sgts. Lee and Patel led the drill." The full word becomes sergeants. Capitalize the title only when it comes directly before a name. In a sentence like "Two sergeants checked the gear," the word stays lowercase.
Pay grade and rank are related but not the same. A sergeant in the Army or the Marine Corps holds pay grade E-5, a noncommissioned officer, or NCO. Grades like E-5 describe pay level, while Sgt. names the title the person uses.
Sgt. compared with look-alike short forms
- Sgt. is sergeant. It always contains the g.
- Sr. usually means senior, as in a family name suffix.
- St. is saint or street.
- Capt. is captain, an officer rank above sergeants. See abbreviation for captain.
- Lt. is lieutenant. See abbreviation for lieutenant.
Sergeants are enlisted leaders, while captains and lieutenants are commissioned officers. Mixing up their short forms changes the meaning of a title.
Quick tips for using Sgt.
- Use Sgt. with a period in school papers, letters and news style writing.
- Match the branch style only when you write for or about that branch's own records.
- Spell out sergeant when no name follows it.
- Keep the same form throughout one document.
For habits that apply to clipping any word, read how to abbreviate, our general guide.
Questions people ask
What is the abbreviation for sergeant?
The standard form is Sgt., with a period. The U.S. Army uses SGT in capitals, and the Marine Corps writes Sgt with no period.
Do you put a period after Sgt?
In most civilian and news writing, yes. Military styles often leave the period off, so follow the style of the place you are writing for.
How do you abbreviate staff sergeant?
News style writes Staff Sgt. before a name. The Army code is SSG, while the Marine Corps and Air Force use SSgt.
Is sergeant capitalized?
Capitalize it, or its short form, when it comes right before a name. Leave it lowercase when it is used as a general word, such as "the sergeant on duty."
How is Sgt. pronounced?
You say the full word, sergeant, pronounced SAR-jent. The abbreviation is only for writing.