Euphemia, also spelled Eufemia, is a feminine given name of Greek origin meaning "well spoken", from a combination of the Greek word elements eu , meaning "good", and phēmí, "to speak". Several early Christian saints were called Euphemia. The name was in vogue in the Anglosphere during the 1800s and has traditionally been particularly well-used in Scotland.^[1]

Effie and Eppie are diminutives. Effemy was an English vernacular form.^[1] Other diminutives include Euphie, Femie and Phemie. Other Scottish vernacular forms in use were Euphame or Eupheme. Variants in other languages include the Brazilian Portuguese Eufêmia, French Euphémie, Greek Effimia, Italian and Spanish Eufemia, European Portuguese Eufémia, Russian Evfimia, Evfimiya, or Yevfimiya, with diminutives Fima or Fimka, Serbian Jefimija, and Ukrainian Yevfymiya.^[2]

Euphemia, a traditional name in Scotland, was among the top 100 names for newborn girls in Scotland between 1935 and 1947 but then declined in use. It was among the top 1,000 names for newborn girls in the United States at different points between 1880 and 1903 and then declined in use. It is still in occasional use for girls in the United States: sixteen American girls were given the name in 2022.^{[3] [4]}

• Euphemia Eleanor Baker (1880–1968), Australian photographer, and follower and advocate of Baháʼí Faith
• Euphemia "Effie" Bakewell (1870–1921), American bookbinder
• Euphemia Cowan Barnett (1890–1970), Scottish botanist
• Eufemia "Femi" Benussi (born 1945), Italian actress
• Euphemia Vale Blake (1817–1904), American author, critic
• Euphemia Blenkinsop, born Catherine (1816–1887), Irish-born American religious sister and teacher, and visitatrix (provincial leader) of the Daughters of Charity in the United States
• Euphemia Bridges Bowes (1816–1900), Scottish suffragette and social activist
• Euphemia Cunningham (1892–1989), Scottish Medal of the Order of the British Empire recipient
• Euphemia Davison (1906–1996), Scottish dancer and photographer
• Euphemia "Effie" Ellsler (1855–1945), American stage and screen actress
• Euphemia "Effie" Gray (1828–1897), Scottish artists' model and writer and wife of John Everett Millais
• Euphemia Haynes (1890–1980), American mathematician and educator
• Euphemia Johnston (1824–?), Scottish lady's nurse
• Euphemia Lamb (1887–1957), English artists' model and wife of painter Henry Lamb
• Euphemia Leslie (1508–1570), Scottish prioress
• Euphemia McNaught (1901–2002), Canadian impressionist painter
• Euphemia Wilson Pitblado (1849–1928), Scottish-born American activist, social reformer
• Euphemia "Effie" Newbigging Richardson (née Johnstone) (1849–1928), New Zealand landowner and litigant
• Euphemia Johnson Richmond (née Guernsey), writing as Effie Johnson and Mrs. E.J. Richmond, (1825–1918), American author
• Euphemia Ritchie (1862–1941), Scottish craft entrepreneur
• Euphemia Sinclair (1915–2005), British aristocrat and socialite
• Euphemia Somerville (1860–1935), Scottish social worker and politician
• Euphemia LatiQue "Tika" Sumpter (born 1980), American actress and producer
• Euphemia de Walliers (1100s–1257), English nun of Flemish descent
• Euphemia Welby (1891–1987), British Women's Royal Naval Service superintendent

• Marcia Euphemia, wife of Anthemius, Western Roman Emperor, 5th Century CE
• Elsie Euphemia Andrews (1888–1948), New Zealand teacher and community leader
• Nellie Euphemia Coad (1883–1974), New Zealand teacher, community leader, women's advocate, and writer
• Mary Euphemia "Effie" Germon (1845–1914), American stage actress
• Anna Euphemia Morgan (1874–1935), Australian Aboriginal activist
• Jane Euphemia Saxby (1811–1898), British hymn writer
• Frances Euphemia Thompson (1896–1992), American artist and art educator of African-American descent

• Euphemia Kirk, pen name of Mary Church Terrell (1863–1954), American civil rights activist, journalist, and teacher

• Euphemia, in the 2022 film adaption of Death on the Nile
• Euphemia li Britannia, in the anime series Code Geass