Variant of Janet, a diminutive of Jane, from Hebrew Yohanan meaning 'God is gracious'.
Janett is a variant spelling of Janet, itself a medieval diminutive of Jane — the English feminine form of John, drawn from the Hebrew *Yohanan*, meaning "God is gracious" or "Yahweh has shown favor." This etymological chain links Janett to one of the most theologically significant names in human history, shared by John the Baptist, John the Apostle, and hundreds of saints and rulers across two millennia. The diminutive *-et* or *-ette* suffix softens and personalizes the name, a medieval French habit of affection that produced a cascade of beloved names: Janet, Jeanette, Juliette, Annette.
Janet and its variants were extremely common in Scotland and England from the 15th century onward — so common that "Janet" was used as a generic term for a woman or girl in Scottish dialect, much as "Jack" served for men. The name appears throughout Scottish and English literature and folklore, including in the haunting traditional ballad *Tam Lin*, where brave Janet rescues her lover from the Fairy Queen through sheer courage and love. This literary association gives the name a quietly heroic undercurrent.
In the 20th century, Janet became a mid-century staple in the United States and Britain, carried by figures like Janet Jackson, Janet Leigh, and Dame Janet Baker. Janett, with its doubled *t*, is a less common orthographic choice that gives the familiar name a slightly more distinctive profile — perhaps a nod to French *Jeanette* conventions, or simply a family spelling preserved across generations. It reads as warmly traditional without being generic, the kind of name that wears well across a lifetime and carries genuine historical depth beneath its friendly surface.