Glynis or Glynnis is a female and rarely male given name of Welsh origin. It may refer to:

Glynis Barber (born 1955), South African actress Glynis Breakwell, (born 1952), Vice-Chancellor of the University of Bath Glynnis Breytenbach, South African politician Glynnis Talken Campbell (born 1957), American romance writer, composer, musician and voiceover artist Glynis Coles (born 1954), English retired tennis player Glynnis Cropp, New Zealand professor of French Glynis Fester (born 1958), Miss Universe South Africa for 1977 Glynis Fitzgerald, American academic administrator Glynis Johns (1923–2024), Welsh stage and film actress, dancer, pianist and singer Glynis Nunn (born 1960), Australian former heptathlete, and the first Olympic champion in the event Glynnis O'Connor (born 1955), American actress Glynis Penny (born 1951), English former long-distance runner Glynis Roberts (born 1961), politician from the nation of Grenada Glynis Sweeny (born 1962), American illustrator and caricaturist Glynis Johnson, bassist for the band Red Red Meat "Glynis" is a Smashing Pumpkins song written as a tribute to her, and was released on the No Alternative compilation

See also Glenys