Ask Difference

Signer vs. Signor — What's the Difference?

By Tayyaba Rehman & Fiza Rafique — Updated on September 10, 2023
"Signer" refers to a person who writes their signature on a document, while "Signor" is an Italian term for "Mister" or "Sir." They sound similar but have distinct meanings and usages.
Signer vs. Signor — What's the Difference?

Difference Between Signer and Signor


Key Differences

"Signer" is a noun in English that describes someone who has signed or is signing a document. It can refer to individuals participating in legal procedures, business transactions, or any activity requiring a written acknowledgment. "Signor," on the other hand, is an Italian word used as a courtesy title for men, equivalent to "Mr." or "Sir" in English. It's commonly used in Italy or in situations where Italian customs are observed.
In terms of grammar, "Signer" is a noun derived from the verb "to sign," focusing on the action of writing one's signature. In American English, it's spelled with a single "e" and used in legal and professional contexts. "Signor" is also a noun, but it originates from Italian. It's a title for men, similar to how "Signora" is used for women. While both are nouns, they belong to different categories of nouns: "Signer" is a common noun, whereas "Signor" is a proper noun when used as a title.
While "Signer" is largely a functional term describing a role, "Signor" carries cultural and social nuances. Being called "Signor" in Italy or in an Italian-speaking community could signify a degree of respect or social standing. This is in contrast to "Signer," which doesn't necessarily convey any social status but simply indicates an action undertaken.
"Signer" is a universally understood term that one could encounter in any English-speaking legal or business environment. "Signor," however, would mostly be encountered in contexts relating to Italian language or culture. Despite their phonetic similarity, they are not interchangeable and are very context-specific.

Comparison Chart


Person who signs
Italian title for men



Part of Speech

Common Noun
Proper Noun

Cultural Nuance

Italian respectfulness


Legal, Business
Formal, Social

Compare with Definitions


A signer is someone who provides their signature on a document.
The signer of the contract must be over 18 years old.


Signor is an Italian courtesy title for men.
Signor Rossi, may I have a word with you?


A signer is an individual who attests to something by signing.
The signer verified the contents of the letter.


Signor is used in formal settings in Italy.
Signor Martino is the host of the event.


A signer is a participant in legal or business activities.
She was the signer of the lease agreement.


Signor signifies respect or social standing in Italian culture.
Signor Giovanni is a respected member of the community.


A signer can also refer to someone using sign language.
The signer communicated fluently in American Sign Language.


Signor is equivalent to "Mr." or "Sir" in English.
Would Signor Bianchi like some coffee?


A signer is generally responsible for the content they sign.
The signer bears legal responsibility for understanding the terms.


Signor can also appear in the name of businesses or brands.
Signor Valerio's is a well-known restaurant in Rome.


Something that suggests the presence or existence of a fact, condition, or quality
A high temperature is a sign of fever.


A title or form of address used of or to an Italian-speaking man, corresponding to Mr or sir
Signor Ugolotti
I am a man of honour, Signor


An act or gesture used to convey an idea, a desire, information, or a command
Gave the go-ahead sign.


Used as a courtesy title for a man in an Italian-speaking area, equivalent to Mr.


Sign language.


A courtesy title for a man of Italian origin.


A displayed structure bearing lettering or symbols, used to identify or advertise a place of business
A motel with a flashing neon sign outside.


Sir; Mr.; - a title of address or respect among the Italians. Before a noun the form is Signor.


A posted notice bearing a designation, direction, or command
An EXIT sign above a door.
A traffic sign.


Used as an Italian courtesy title; can be prefixed to the name or used separately


A conventional figure or device that stands for a word, phrase, or operation; a symbol, as in mathematics or in musical notation.


Pl. sign An indicator, such as a dropping or footprint, of the trail of an animal
Looking for deer sign.


A trace or vestige
No sign of life.


A portentous incident or event; a presage
Took the eclipse as a sign from God.


(Medicine) An objective finding, usually detected on physical examination, from a laboratory test, or on an x-ray, that indicates the presence of abnormality or disease.


One of the 12 divisions of the zodiac, each named for a constellation and represented by a symbol.


To affix one's signature to
Signed the letter.


To write (one's signature)
Signed her name to the contract.


To approve or ratify (a document) by affixing a signature, seal, or other mark
Sign a bill into law.


To hire or engage by obtaining a signature on a contract
Signed a rookie pitcher for next season.
Sign up actors for a tour.


To relinquish or transfer title to by signature
Signed away all her claims to the estate.


To provide with a sign or signs
Sign a new highway.


To communicate with a sign or signs
Signed his approval with a nod.


To express (a word or thought, for example) in a sign language
Signed her reply to the question.


To consecrate with the sign of the cross.


To make a sign or signs; signal.


To communicate in a sign language.


To write one's signature.


One who signs something.
John Hancock is a famous signer of the Declaration of Independence.


One who uses sign language.


One who signs or subscribes his name; as, a memorial with a hundred signers.


Someone who can use sign language to communicate


Someone who signs and is bound by a document

Common Curiosities

What does Signer mean?

Signer refers to someone who writes their signature on a document.

Where is Signer commonly used?

In legal, business, and other formal English-language contexts.

What does Signor mean?

Signor is an Italian title for men, equivalent to "Mr." or "Sir."

Is Signor a proper noun?

Yes, when used as a title, Signor is a proper noun.

Does Signer have cultural nuances?

No, it simply describes a person who signs a document.

Where is Signor commonly used?

In Italy and in Italian-speaking communities.

Is Signer always related to legality?

Often, but not always; it simply denotes someone who signs.

Is Signer a common noun?

Yes, signer is a common noun.

Can Signer be used outside of legal contexts?

Yes, it's generally used to indicate someone who signs any document.

Is Signor only for older men?

No, it can be used for men of all ages in Italian culture.

Can Signor be used for women?

No, the female equivalent is "Signora."

Is Signor an Italian term?

Yes, it originates from Italian.

Does Signor have cultural nuances?

Yes, it's a sign of respect in Italian culture.

Is Signer an English term?

Yes, it's used in American and other forms of English.

Are Signer and Signor interchangeable?

No, they have different meanings and usages.

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Author Spotlight

Written by
Tayyaba Rehman
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.
Co-written by
Fiza Rafique
Fiza Rafique is a skilled content writer at, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.

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