Sara Daavettila (born December 17, 1997) is an American professional tennis player.

She played five years of college tennis for the North Carolina Tar Heels, reaching a peak NCAA Division I singles ranking of No.

[2][3] Her mother, who played college tennis at Western Michigan University, coached her from a young age.

She said she did so partly to have a chance to play her friend, senior Alexandria Najarian of Cranbrook Kingswood, before she left for college at the University of Michigan.

Daavettila went undefeated in seventeen matches on her way to the state championship final, where she faced Najarian, the three-time defending champion.

Having not lost a set as a sophomore, she did not lose a game her entire junior season in twenty-four matches, becoming the first high school player to do so, and defended her state championship.

[4] She verbally committed to the University of North Carolina by early 2015 and signed a letter of intent in November 2015.

[9][10] Daavettila began playing for the North Carolina Tar Heels as the Intercollegiate Tennis Association (ITA)'s top-ranked incoming freshman of 2016–17.

[9][14] She and teammate Alle Sanford reached the semifinals of the NCAA Championships in doubles, having entering the event as an alternate.

[23] She reached her first ITF doubles final at a W15 tournament in San Diego, California, in June 2022, partnering former North Carolina teammate Makenna Jones, and reached her first ITF singles final at a W15 event in Champaign, Illinois, in November 2022.