•
Lydia Ainsworth, Canadian composer, producer and singer •
Lydia Alfonsi (1928–2022), Italian actress •
Lydia Alhassan (born 1970), Ghanaian politician •
Lydia Avilova (1864–1943), Russian writer and memoirist •
Lydia Baxter (1809–1874), American poet •
Lydia Becker (1820–1890), British suffragette and amateur scientist •
Lydia Benecke (born 1982), German criminal psychologist and writer •
Lydia Boylan (born 1987), Irish racing cyclist •
Lydia Cabrera (1899–1991), Cuban anthropologist and poet •
Lydia Cacho (born 1963), Mexican journalist, feminist, and human rights activist •
Lydia de Crescenzo, Italian fashion designer working as "Lydia de Roma" •
Lydia Maria Child (1802–1880), American abolitionist, women's rights activist, novelist and journalist •
Lydia Chukovskaya (1907– 1996), Soviet writer, poet, editor, publicist, memoirist and dissident •
Lydia Clarke (1923–2018), American actress and photographer •
Lydia Avery Coonley (1845–1924), American social leader, clubwoman and writer •
Lydia Cornell (born 1953), American actress, blogger and radio talk show host •
Lydia Davis (born 1947), American author •
Lydia R. Diamond (born 1969), American playwright and professor •
Lydia Dunn, Baroness Dunn (born 1940), Hong Kong politician •
Lydia Echevarría (born 1931), Puerto Rican actress •
Lydia Edwards (born 1981), American attorney and politician •
Lydia Field Emmet (1866–1952), American painter •
Lydia Hoyt Farmer (1842–1903), American author, women's rights activist •
Lydia Mary Fay (1804–1878), American missionary, educator, writer, and translator •
Lydia Rodríguez Fernández (born 1980), Spanish pop singer who participated in the 1999 Eurovision Song Contest •
Lydia Foote (1843–1892), English actress •
Lydia Forson (born 1984), Ghanaian actress, writer, and producer •
Lydia Folger Fowler (1823–1879), American physician, professor of medicine, and activist •
Lydia Foy (born 1947), Irish transgender activist •
Lydia Gibson (1891–1964), American artist •
Lydia Griggsby (born 1968), American judge •
Lydia Gromyko (1911–2004), Belarusian agriculturist •
Lydia Haika, Kenyan politician •
Lydia Hatuel-Czuckermann (born 1963), Israeli foil fencer •
Lydia Cromwell Hearne (1874-1961), American physician and civic leader •
Lydia Hearst (born 1984), American model and socialite •
Lydia Holman (1868–1960), American nurse who served in the Spanish-American War •
Lydia Hedberg (1878–1964), Swedish singer •
Lydia Jacoby (born 2004), American swimmer •
Lydia Jele (born 1990), Botswana athlete •
Lydia Jennings, Native American soil microbiologist and environmental scientist •
Lydia Kallipoliti, Greek architect, engineer, and architectural historian •
Lydia Kavina (born 1967), Russian theremin player and conductor •
Lydia Kavraki, Greek-American computer scientist •
Lydia Ko (born 1997), Korean-born New Zealand golfer •
Lydia Koidula (1843–1886), Estonian poet •
Lydia Koreneva (1885–1982), Russian-Soviet stage actress •
Lydia Lamaison (1914–2012), Argentine actress •
Lydia Lassila (born 1982), Australian skier •
Lydia Lazarov (born 1946), Israeli yachting world champion •
Lydia Lindeque (1916–1997), South African actor •
Lydia Liliʻu Loloku Walania Kamakaʻeha (Liliʻuokalani), the last Queen regnant of the Hawaiian Kingdom •
Lydia Lipkowska (1882–1958), Russian operatic soprano of Ukrainian origin •
Lydia Litvyak (1921–1943), Russian fighter pilot in World War II •
Lydia Lopokova, Baroness Keynes (1892–1981), Russian ballerina •
Lydia Loveless (born 1990), American alternative country singer-songwriter •
Lydia Lucy (born 1993), English singer and television personality •
Lydia Lunch (born 1959), American No Wave singer •
Lydia Mackay (born 1977), American actress and voice actress •
Lydia Mei (1896–1965), Estonian painter •
Lydia Mendoza (1916–2007), American guitarist and singer of Tejano music •
Lydia Millet (born 1968), American author •
Lydia Nicole, American
actress,
comedian, writer and producer •
Lydia Nyati-Ramahobo (1957–2025), Motswana linguistic scholar and activist •
Lydia Night (born 2000), American punk musician •
Lydia Nsekera (born 1967), Burundian sports official •
Lydia Pense (born 1948), American singer •
Lydia Pinkham (1819–1883), American patent medicine manufacturer and businesswoman •
Lydia Polgreen (born 1975), American journalist •
Lydia Reed (born 1944), American child actress •
Lydia Reid (born 1938/1939), American politician •
Lydia Riezouw (1923–2005), Dutch photographer, resistance fighter during World War II •
Lydia Roberts (1879–1965), American nutritionist •
Lydia Rotich (born 1988), Kenyan long-distance runner •
Lydia Shattuck (1822–1889), American botanist, naturalist, chemist, and professor •
Lydia Shum (1945–2008), Hong Kong actress and comedian •
Lydia Sigourney (1791–1865), American poet, author, and publisher •
Lydia Simoneschi (1908–1981), Italian actress and voice actress •
Lydia Stahl (1890–?), Russian espionage agent •
Lydia Stephans (born 1960), American speed skater, television producer, and CEO of SportsBubble •
Lydia Thompson (1838–1908), English dancer, comedian, actor and theatrical producer •
Lydia H. Tilton (1839–1915), American journalist and temperance activist •
Lydia Valentín (born 1985), Spanish weightlifter (retired) •
Lydia de Vega (1964–2022), Filipina former athlete •
Lydia Venieri (born 1964), Greek artist •
Lydia Louisa Anna Very (1823–1901), American author and illustrator •
Lydia Wahlström (1869–1954), Swedish historian, author and feminist •
Lydia Weld (1878–1962), American engineer and naval architect •
Lydia White (born 1946), Canadian linguist •
Lydia Wideman (1920–2019), cross-country skier from Finland •
Lydia Williams (born 1988), Australian footballer • Lydia Williams (born 1991), American Rapper, Poet, Business Mogul •
Lydia Zinovieva-Annibal (1866–1907), Russian writer and dramatist •
Lydia Zvereva (1890–1916), Russian aviation pioneer • ==Fictional characters==