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Name Lineage

    The first name Athanasios

    A boy’s name from Greek meaning “a-”, “un-”, “non-”.

    4 syllables Male

    Meaning and origin

    Greek origin

    Athanasios means “a-”, “un-”, “non-” in Greek.

    From Greek Αθανάσιος (Athanásios) and Ancient Greek Ἀθανάσιος (Athanásios), from α- (a-, “a-, un-, non-”) + θάνατος (thánatos, “dying”) + -ιος (-ios, “-y: forming adjectives”). Doublet of Athanasius and Afanasy.

    A form of Athanasius.

    From Wiktionary (CC BY-SA 4.0).

    Popularity

    Babies registered in England and Wales, 1996–2025

    In 2025, 6 boys were named Athanasios, making it the 3,256th most popular boys’ name. It peaked in 2021, with 15 births (#1,595).

    01020 1996200020052010201520202025
    103
    babies named Athanasios, 1996–2025
    #3,256
    rank in 2025
    2021
    peak year

    Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Athanasios with other names.

    Popularity in the United States

    Babies named Athanasios at birth, 1880–2025

    In 2025, 22 boys born in the United States were named Athanasios, the 4,557th most popular boys’ name that year. It was used most in 1973, when 39 were.

    02040 188018851890189519001905191019151920192519301935194019451950195519601965197019751980198519901995200020052010201520202025
    1,284
    babies named Athanasios since 1880
    #4,557
    rank in 2025
    1973
    peak year

    US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.

    Famous people named Athanasios

    2 on Wikidata, most written-about first

    • Athanasios III of Constantinople
      Ecumenical Patriarch of Constantinople, 1597–1654
    • Athanasios IV de Constantinople
      Ecumenical Patriarch of Constantinople, 1650–1679

    More Greek boys’ names

    All 347 names of Greek origin

    Questions

    What does the name Athanasios mean?
    Athanasios means “a-”, “un-”, “non-” in Greek.
    What is the origin of the name Athanasios?
    From Greek Αθανάσιος (Athanásios) and Ancient Greek Ἀθανάσιος (Athanásios), from α- (a-, “a-, un-, non-”) + θάνατος (thánatos, “dying”) + -ιος (-ios, “-y: forming adjectives”). Doublet of Athanasius and Afanasy.
    How popular is the name Athanasios?
    In 2025, 6 boys born in England and Wales were named Athanasios, ranking 3,256th. Its peak was 2021, with 15 births.
    Is Athanasios a boy's or a girl's name?
    Mostly a boy's name: 100% of the 1,284 US babies named Athanasios since 1880 were boys.
    When was Athanasios most popular?
    1973 in the United States, when 39 babies were named Athanasios, its highest rank at 1,330th.
    What name is Athanasios a form of?
    Athanasios is a form of Athanasius.