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Reijo as a Baby Name. Meaning and Origin of Reijo

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The baby name Reijo is a Male name , 2 syllables long and is pronounced /ˈreijo/ (RAY-yoh).

Reijo is Finnish in Origin.

Gender: Male
Syllables: 2.0
Origin: Finnish
Pronunciation: /ˈreijo/ (RAY-yoh)

What is the meaning of the name Reijo ?

The baby name Reijo is a Male name , 2 syllables long and is pronounced /ˈreijo/ (RAY-yoh).

Reijo is Finnish in Origin.

Reijo is a Finnish masculine given name ultimately derived from Greek Gregorios via Latin Gregorius, the root behind Gregory. The Greek verb gregorein means “to be awake, watchful,” so the name carries the meaning “vigilant” or “alert.” In Finnish, Reijo is pronounced roughly RAY-yo, with a palatalized j sound.

Brought into northern Europe through Christian naming traditions honoring Saint Gregory and subsequent popes, the Gregory family of names spread widely. Reijo gained everyday use in Finland in the 20th century and peaked in popularity between the 1940s and 1960s; today it reads as a classic, familiar choice. Cognates and variants include Gregory and Greg (English), Gregor (German, Slovene), Greger (Swedish), Grzegorz (Polish), Grigori/Grigoriy (Russian), Grigor (Bulgarian, Armenian), and Řehoř (Czech); closely related Estonian forms are Reio and Reigo. A colloquial Finnish nickname for Reijo is Reiska. The name’s enduring appeal rests on its crisp sound and steadfast meaning.

Reijo has the following similar or variant Names

Reijo – Popularity by country

Based on birth registration data from national statistics agencies.

Country Gender Year Rank Born of
Finland Boys 2026 #53 13,205 3,552
Finland Boys 0 #77 1,536 2,041
EE Boys 0 #105 21 2,087
Finland 0 #222 88 830
PL Boys 0 #340 1 6,459
PT Boys 0 #380 2 7,951
SG Boys 0 #739 1 17,960
SA Boys 0 #1,691 1 28,008

Reijo is popular in 6 countries — most recent births per country:

EE
Finland
Finland
PL
PT

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People also ask about Reijo

Reijo is predominantly a boy's name.
Reijo is a 2 syllable name, pronounced /ˈreijo/ (RAY-yoh).
Common nicknames and spelling variations include Reino.
Yes, very popular — Reijo ranked #53 in Finland in 2026.