A diminutive of Richard or related names, from Germanic roots meaning 'powerful ruler.'
Rikki arrives by two distinct routes that happen to converge on the same syllables. The first is as a feminine form of Rick or Ricky, which descend from Richard — a name of Old Frankish origin combining ric (ruler, power) and hard (brave, hardy). Richard was one of the dominant names of medieval England: three kings, a Lionheart, and a Shakespeare villain all wore it.
The softened, doubled-k spelling emerged in the twentieth century as a distinctly feminine adaptation, following the pattern of Bobbi, Nikki, and Terri. The second route runs through Rudyard Kipling. His 1894 story 'Rikki-Tikki-Tavi,' published in The Jungle Book, featured a brave mongoose who protected a British family in colonial India from the cobras Nag and Nagaina.
Kipling's mongoose took his name from the sounds mongooses make — a chatterings and battle-cries — and the story became one of the best-loved animal tales in the English language, giving the name an association with quick-witted courage and fierce protectiveness. In the latter half of the twentieth century, Rikki found particular purchase in American pop culture. Singer-songwriter Rikki Rocket of Poison fame, the Steely Dan classic 'Rikki Don't Lose That Number,' and countless characters in film and television reinforced the spelling as vibrant and a touch rebellious. Today Rikki reads as confidently retro — a name from the cassette-tape era that has aged into something genuinely characterful, suggesting someone with both warmth and edge.