Given name

Sonja

“wisdom”·“having great wisdom and foresight”

In Danish use, Sonja is an affectionate form of Sophia. Sophia means “wisdom” in Greek. Sonja is a variant of Sophie. One Greek interpretation is “having great wisdom and foresight.”

Meaning & origin

What it means

In Danish use, Sonja is an affectionate form of Sophia. Sophia means “wisdom” in Greek. Sonja is a variant of Sophie. One Greek interpretation is “having great wisdom and foresight.”

Explained through its name family

Where it comes from

In Danish use, Sonja is an affectionate form of Sophia. Sophia has Greek linguistic roots and later spread into several European naming traditions. Sonja is a variant of Sophie. An origin associated with Sophie is French.

Explained through its name family

How it developed

In Danish usage, Sonja is an affectionate form of Sophia. In Danish usage, Sonja is an affectionate form of Sonya. In Danish use, Sonja is an affectionate form of Sophia. The shared background comes through Sophia: Sophia uses the Greek noun sophia. That word also appears in the phrase Hagia Sophia, meaning “holy wisdom.”

Combines direct and name-family evidence

The story

Published U.S. birth records include this spelling as early as 1906. This is the earliest published observation available here, rather than a date for the name’s origin. In Danish use, Sonja is an affectionate form of Sophia. The history of Sophia gives this family its wider story. Sophia became popular in England in the seventeenth and eighteenth centuries. Sophia also has literary and screen associations, including the heroine of Tom Jones and the actress Sophia Loren.

Combines direct and name-family evidence

Sonja through the years

Babies since 1880
39,557
44 boys · 39,513 girls
Most popular year
1967
1,343 babies
2025
37
#3,966 for girls
2021–25 vs 2016–20
−32%
Easing
05001,0001,500192019401960198020002025Highest share 193823
Sonja in U.S. Social Security birth records, 1906–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

In 2025, this name appeared in 37 U.S. birth records for girls, ranking No. 3,966 among girls’ names. Average annual use for girls was 32.5% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 1,339 in 1968. Published U.S. population figures for this spelling include 33,999 as a first name in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Sonja’s family of names

In Danish usage, Sonja is an affectionate form of Sophia. In German usage, Sonja has a conventional equivalent in the French form Sonia. In German usage, Sonja has a related form in Sonia.

Walk Sonja’s family in the name graph

SonjaSonjahСоњаСоняSophiaSophieSoniaSonyaSonnjaSonjjaSanjaSohviSonjoSzonjaSôniaСофияΣόνιαSoňa

Inner ring: spellings · middle: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Around the world

Sonja has relatives in 14 languages.

DanishGerman

9 related names in 14 languages. Point at a dot, or tab to the map and use the arrow keys.

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Spellings & scripts 3

The same name written differently, including transliterations into other scripts.

Across languages 8

Equivalents and cognates in other languages, plus older forms it grew from.

See also 1

Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.

Similar names

If you love Sonja, these share its style, era, origin or sound, from outside its own family.

Literary

Jonna

“God is gracious”

17Very rareCooling

>99% girls

Spanish · Literary

Sancha

“saintly; holy” · “one who is sacred”

0Not recently recorded

>99% girls

Literary

Sandrah

“helper and defender of mankind”

0Not recently recorded

>99% girls

Literary

Sandee

“helper and defender of mankind”

0Not recently recorded

>99% girls

Literary

Silke

“one who is blind”

0Not recently recorded

>99% girls

Literary

Janella

“God is gracious”

17Very rareCooling

>99% girls

Literary

Jana

“God is gracious” · “he answers”

46UncommonEasing

>99% girls

Literary

Alisa

“noble” · “kind”

42UncommonEasing

>99% girls

Sibling ideas

Names that share Sonja’s feel without repeating its first letter or rhyming with it.

A brother for Sonja

A sister for Sonja