
Pope Leo XIII (1810–1903), painted by Philip de László (né Fülöp Elek László)
Leo, which means “lion” in Latin, is English, German, Dutch, Scandinavian, Finnish, and Croatian, and currently enjoying great popularity. In 2017, it was #61 in the U.S. (and has been jumping up the charts since 2000), after having been a Top 100 staple from 1880–1937. Its highest rank was #37 in 1903.
It’s #1 in Australia, Canada, and Finland; #7 in England and Wales (and in France as Léo); #11 in Spain, New Zealand, Northern Ireland, Sweden, and Catalonia; #19 in Switzerland (and #96 as Léo); #9 in Scotland; #8 in Galicia; #33 in Ireland; #22 in Austria; #58 in Norway; #91 in Belgium; and #71 in Slovenia.
As abovementioned, Léo is French. Another alternate form, Leó, is Icelandic and Hungarian.

French artist Léon Augustin Lhermitte, 1844–1925
Leon, which means “lion” in Greek, is English, German, Dutch, Polish, Slovenian, and Croatian. It was Top 100 in the U.S. in 1883, 1885, from 1887–90, and from 1892–1942. Its highest rank was #73 in 1926. In 2006, it began jumping up the charts, and had risen to #244 by 2017.
It’s also #4 in Switzerland; #11 in Austria; #15 in Belgium (and #36 as Léon); #22 in Sweden and Poland; #23 in Slovenia; #77 in Scotland; #68 in Bosnia; #98 in England and Wales; #28 in Norway; #85 in New Zealand; #53 in Ireland; #96 in Australia; and #40 in France (as Léon).
The alternative form León is Spanish, and Léon is French. Other forms of this name include:
1. Levon (LEHV-ohn) is Armenian. I can’t stand the Anglo LEE-von mangling!
2. Leoš is Czech.
3. Léonce is French.
4. Leone is Italian.
5. Leoncio is Spanish.
6. Lionel is a French diminutive.
7. Leontiy is Russian, with the nickname Lyonya.
8. Lev is also Russian, with the nickname Lyova.
9. Levan is Georgian.
10. Leonzio is Italian.

Armenian physiologist Levon Orbeli, 1882–1958
11. Leonas is Lithuanian.
12. Lew (LEF) is Polish.
13. Leão is a rare Portuguese form.
14. Lejo is Sami and a rare Finnish form.
15. Ledjo is Sami.
16. Lîu is Greenlandic.
17. Lleó is Catalan.
18. Luan is Albanian.
19. Liuni is Sicilian.
20. Liūtas is Lithuanian.
21. Leons is Latvian.

Lithuanian nobleman and politician Leonas Sapiega, 1557–1633
Feminine forms:
1. Leona is English and German.
2. Leone is English. The alternate form Léone is French, and Leonė is Lithuanian.
3. Leontina is Italian.
4. Leola is English.
5. Léontine is French.
6. Leontyne is a rare English form.
7. Leonie is Dutch and German. The alternate form Léonie is French.
8. Leonia is Latin.
9. Léonine is French and Dutch.

Leona Vicario (1789–1842), one of the most important people in Mexico’s War of Independence
Other leonine names:
Unisex:
1. Arioch means “lion-like” and “venerable,” or “a fierce lion,” in Hebrew.
2. Aset is Kazakh and Chechen. In the former language, it’s male-only; in the latter, it’s unisex.
3. Sangay is Tibetan.
5. Singye is also Tibetan.
Female:
1. Ariella means “lion of God” in Hebrew.
2. Asida means “lioness” in Abkhaz.
3. Azida means “lioness” in Circassian.
4. Kefira means “lion cub” in Hebrew.
5. Leaneira means “lion man” in Greek.
6. Lý is Vietnamese.
7. Seyha means “lion” or “August” in Khmer.

Ariel Serena Hedges Bowen, African–American temperance activist, music professor, and writer (1863–1904)
Male:
1. Ariel is the male form of Ariella.
2. Kefir is the male form of Kefira.
3. Aleeki means “brave lion” in Somali.
4. Ambesa is Ethiopian.
5. Anibesa is Amharic.
6. Aristoleon means “best lion” in Greek.
7. Arsalan is Persian, Punjabi, and Urdu.
8. Arslon is Uzbek.
9. Arstanbek means “lion master” in Kyrgyz.
10. Aryşlan is Bashkir.

Azeri politician Aslan bey Safikurdski, 1881–1937
11. Arystan is Kazakh.
12. Arystanbek means “lion master” in Kazakh.
13. Azam is Arabic.
14. Beslan means “master of lions” in Circassian, Chechen, Ingush, Abkhaz, and Abazin.
15. Demoleon means “lion of the people” in Greek.
16. Guryon means “lion cub” in Hebrew.
17. Lavoslav means “glorious lion” in Croatian. The Slovak form is Levoslav.
18. Leofred means “lion of peace/love” in Norwegian.
19. Ari is Hebrew.
20. Areli means “lion of God” in Hebrew.

Argentinean politician Leandro Alem (né Alen), 1841–96
21. Aryeh is Hebrew.
22. Asad is Arabic and Urdu.
23. Aslan is Chechen, Kazakh, Circassian, Ossetian, Azeri, and Turkish.
24. Aslanbek means “lion master” in Circassian, Ossetian, and Chechen.
25. Leandros means “lion man” in Greek. Other forms are Leandro (Spanish, Italian, Portuguese); Leander (English, Latin); and Léandre (French).
26. Haidar is Arabic.
27. Leonard means “brave lion” in German. Other forms include Leendart and Leendert (Dutch); Lennart (Scandinavian); Lenart (Slovenian); Leonardo (Italian, Spanish, Portuguese); Leonhard (German); and Léonard (French).
28. Pantaleon means “all lion” in Greek.