Name Awesome

Janko

Boys' name

Diminutive of Jan

Janko has been given to 5 babies in the U.S. since 2014. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2014, with 5 recorded.

Babies named Janko, 2014

1 in 741,000

Janko over time, 1880–2025

Boys
024618801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Janko: meaning, origin, and history

Diminutive of Jan

Slavic languages

What Janko means

Janko is a diminutive of Jan.

Origin, language, and formation

Janko is used in English, Polish, Serbo-Croatian and Slovak. Its origins include Slavic languages.

Related names and everyday forms

Related names include Jan, Jano and Ján.

Pronunciation and spelling

In Polish, Janko is pronounced /ˈjaŋ.kɔ/.

American usage and historical context

In the United States, 5 boys were recorded with the name Janko between 2014 and 2014. Its highest annual count was 5 in 2014; its best national rank was #12,884 in 2014.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Janko?

Janko had fewer than 5 recorded uses in 2025, so these figures use 2014, the last year it was published.

Among all babies, 2014
1 in 741,000
5 of 3,706,812 births
Among boys only
1 in 384,000
<0.01% of boys
Rank, 2014
Unranked
Fewer than 5 uses
Coin-flip room size
513,874 kids
Even odds of a second one

Where Janko sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2014 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 513,874 children born in 2014 and it's an even bet that one of them is another Janko. In a class of 30 the chance is Under 1%.

When Jankos were born

Half of everyone ever recorded as Janko was born before 2014 — so the typical Janko is around 11 today.

Median birth year
2014
About 11 years old
Biggest decade
2010s
100.0% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
5
People you could plausibly meet
Choose a decade

2010s — 100.0% of all recorded uses (5).

Is Janko rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 2014 (5)
Years since peak
11
Years
Year-to-year steadiness
Not enough data
Too few years
Best rank ever
#12,884
2014

Spellings of Janko

Janko is not the most common spelling — Jack is, with 75.8% against Janko's <0.01%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Janko around the world

Where Janko ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • France
    2010–2017
    #5,784
    in 2017
  • South Australia
    1962–1981
    #425
    in 1981

Popularity data from Institut national de la statistique et des études économiques and Consumer and Business Services (South Australia). INSEE data under Licence Ouverte / Etalab 2.0. CBS SA data under CC BY 4.0.

Janko by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#12,884
2014
Peak year
2014
5 that year
First recorded
2014
Last recorded
2014
All-time count
5
Count in 2025
Under 5

Names similar to Janko

Matched on shared beginnings and endings, similar length, and comparable popularity.

JannerJanalJancyJanasJanaeJaneeJandyJananJanakaJanuszJanyusJanickJaniyaJannikJanakJanavYankoJanierJantsenJanarisJannickJanineJaneiroJanai

Sibling names for Janko

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Janko

Top names of 2014, Janko's peak yearThe 2010s in fullOther names that peaked in 2014Boys' names starting with J