| Meaning | reddish-brown |
| Origin | Italian |
| Gender | Girl |
| Popularity | Moderate |
| Length | 5 |
| Syllables | 3 |
| Syllabification | Si-en-a |
Warm terracotta buildings bathed in golden Italian sunlight—Siena evokes romance and timeless beauty. This geographical gem has captured attention beyond its Tuscan city inspiration, becoming a beloved choice for its simple sophistication. The name possesses an effortless elegance, requiring no embellishment to make its statement. Siena's brief two-syllable structure creates easy flow while maintaining enough substance to feel complete and purposeful. It represents the kind of understated chic that never goes out of style, appealing to parents who value quality over quantity in their naming choices. The name carries artistic associations, suggesting creativity and aesthetic appreciation without becoming pretentious or overwhelming. Siena works beautifully in multicultural families, as its pronunciation remains consistent across languages and cultures. The soft 's' opening gives it a gentle, approachable quality, while the 'a' ending provides classic feminine grace. For those seeking a name with international flair, cultural richness, and enduring style, Siena delivers all three in one elegant package.
| Si |
| Sisi |
| Si-Si |
| Ena |
| Enna |
| Siena Agudong | American actress |
| Siena Ottabella | Italian singer |
| Siena Kelly | British actress |
| Siena Mirabella | American YouTuber |
| Siena Palmacci | American model |
| Siena Pollack | American actress |
| Siena Taverniti | Australian singer |
| Siena Turcios | American TikTok star |
| Siena Castellon | British autism advocate |
| Siena Blair | American artist |
| Siena McCall | American entrepreneur |
| Siena Baskin | American lawyer |
| Siena Bella | American Instagram star |
| Siena Elsie | Australian actress |
| Siena Mueller | American social media influencer |
| Siena Guitare | French musician |
| Siena Woodley | American dancer |
| Siena Goines | American writer |
| Siena Mayro | American gymnast |
| Siena Castillo | from the TV series "Grey's Anatomy" |
| Siena Rosso | from the novel "A Thousand Splendid Suns" by Khaled Hosseini |
| Siena Deanna | from the movie "Beyond the Mask" |
| Siena Diaz | from the TV series "One Day at a Time" |
| Siena Silverman | from the book "Sisters of Fortune" by Nancy Moser |
| Siena Rivers | from the book "Five Days Left" by Julie Lawson Timmer |
| Siena Drake | from the TV series "Gossip Girl" |
| Siena Edwards | from the movie "Dear White People" |
| Siena Russo | from the TV series "Law & Order - Special Victims Unit" |
| Siena Grant | from the book "Destined" by P.C. Cast and Kristin Cast |
| Siena Hart | from the TV series "The Fosters" |
| Siena Morgan | from the movie "The Expendables 3" |
| Siena Lane | from the TV series "The Bold and the Beautiful" |
| Siena Adams | from the book "What If It's Us" by Becky Albertalli and Adam Silvera |
| Siena Brooks | from the movie "Inferno" |
| Siena Cooper | from the TV series "Private Practice" |
| Siena Rhodes | from the TV series "Cane" |
| Siena Gardner | from the book "Breathe" by Abbi Glines |
| Siena Barzini | from the movie "Cars 3" |
| Siena Williams | from the TV series "Pretty Little Liars" |