| Meaning | vigilant, alert |
| Origin | Irish, Modern |
| Gender | gender neutral |
| Opposite gender | Kaci |
| Popularity | Moderate |
| Length | 4 |
| Syllables | 2 |
| Syllabification | Ka-ci |
Short, sweet, and straight to the point—this name doesn't waste time making an impression. There's an energetic, spirited quality that suggests someone with confidence and charisma. The compact structure makes it easy for young children to learn to spell and write, while still maintaining enough character to feel substantial. What's clever about this name is its adaptability: it works across different personalities and paths, from athletic pursuits to academic achievements to creative endeavors. The "K" beginning gives it a strong, bold opening, while the soft "i" ending keeps everything approachable and friendly. It's modern without being trendy, meaning it won't feel dated as years pass. The name has a cheerful, optimistic ring to it—you can't help but smile a bit when you say it. For parents who value efficiency and clarity, who want a name that's memorable without being complicated, this delivers exactly what's needed with a refreshing directness that stands out in its simplicity.
| Kay |
| Casey |
| Ace |
| Kiki |
| Kaci Battaglia | American singer-songwriter |
| Kaci Brown | American pop singer |
| Kaci Christian | American track and field athlete |
| Kaci Fennell | Jamaican model and beauty queen |
| Kaci Houston | American voice actress |
| Kaci Kullmann Five | Norwegian politician and chairman of the Nobel Peace Prize committee |
| Kaci Lyn Battaglia | American actress |
| Kaci Marriah | British singer |
| Kaci Newton | American reality TV star |
| Kaciaryna Drazdova | Belarusian chess player |
| Kaciaryna Vierasen | Belarusian handball player |
| Kaciane Brum | Brazilian water polo player |
| Kaciane Santos | Brazilian sprinter |
| Kaciane Souza | Brazilian weightlifter |
| Kaciane Viana | Brazilian judoka |
| Kacie Boguskie | American reality TV star |
| Kacie McDonnell | American sports reporter |
| Kacie Miyamoto | Japanese volleyball player |
| Kacie Starr Triplett | American politician |
| Kacie Woodyard | American actress |
| Kaci Bennett | Character from a romance novel |
| Kaci Brady | Detective in a mystery series |
| Kaci Davis | High school student in a drama TV show |
| Kaci Dawson | Spy protagonist in a thriller book |
| Kaci Evans | Sorceress in a fantasy story |
| Kaci Foster | Journalist in a suspense novel |
| Kaci Harper | Teenage protagonist in a coming-of-age movie |
| Kaci Jenkins | Adventurer in a sci-fi series |
| Kaci Lawson | Alien princess in a space opera |
| Kaci Mitchell | Lawyer in a legal drama TV series |
| Kaci Morgan | Archaeologist in an adventure film |
| Kaci Palmer | Superheroine in a graphic novel |
| Kaci Rivers | Singer in a musical movie |
| Kaci Simmons | Time traveler in a science fiction book |
| Kaci Stone | Police officer in a crime drama show |
| Kaci Thompson | Genius inventor in an animated series |
| Kaci Turner | Werewolf character in a supernatural novel |
| Kaci Wells | Vampire protagonist in a fantasy book |
| Kaci Williams | Pirate captain in an action-adventure game |
| Kaci Young | Secret agent in a spy thriller film |