On jest Piotr.

Breakdown of On jest Piotr.

być
to be
on
he
Piotr
Piotr

Questions & Answers about On jest Piotr.

Why does the sentence use On at the beginning instead of just Jest Piotr?
In Polish, on is the masculine third-person singular pronoun, meaning he. Using on here makes it very clear that you’re talking about a male person. While you might sometimes omit the pronoun in Polish if the context is already clear, using on in this example explicitly states “He is Piotr.”
What does jest mean in this sentence?
Jest is the third-person singular form of the verb być (to be). So On jest Piotr literally translates to He is Piotr in English.
Is it correct to say To jest Piotr instead of On jest Piotr?
Yes, To jest Piotr is also correct and is frequently used in everyday speech. To jest Piotr is like saying This is Piotr in English. Both forms are acceptable, but On jest Piotr places more emphasis on “he,” whereas To jest Piotr introduces him as “this” person.
Could we ever say On jest Piotrem?
In most cases, you would simply say On jest Piotr or To jest Piotr when introducing someone by name. On jest Piotrem can appear in a more complex grammatical context, for example if you are describing someone’s role or identity (using the instrumental case), but it’s less common when simply introducing someone.
Is Piotr just the Polish version of “Peter”?
Yes, Piotr is the Polish equivalent of the English name “Peter.” It’s a very common name in Poland.
AI Language TutorTry it ↗
What's the best way to learn Polish grammar?
Polish grammar becomes intuitive with practice. Focus on understanding the core patterns first — how sentences are structured, how verbs change form, and how words relate to each other. Our course breaks these concepts into small lessons so you can build understanding step by step.

Sign up free — start using our AI language tutor

Start learning Polish

Master Polish — from On jest Piotr to fluency

All course content and exercises are completely free — no paywalls, no trial periods.

  • Infinitely deep — unlimited vocabulary and grammar
  • Fast-paced — build complex sentences from the start
  • Unforgettable — efficient spaced repetition system
  • AI tutor to answer your grammar questions