Met her first husband Scott Foley on the set of Felicity (1998).
Attended and graduated from George Washington High School in Charleston, West Virginia.
Received her Bachelor's degree in Fine Arts for Theatre from Denison University in Granville, Ohio. 
She was going to attend Yale University to study drama but got an acting job in New York City instead.
Named one of People magazine's "Breakthrough Stars of 2001".
Used to be a hostess at Isabella's restaurant in New York when she was trying to launch her acting career.
Named one of People magazine's 50 Most Beautiful People in the World. 
Ranked #1 on Maxim magazine's Hot 100 Women of 2002 list.
Is a trained ballerina who initially left dance for theater acting.
Played saxophone in high school. She called her instrument, "Sally the Sexy Saxophone".
Early in the filming of Daredevil (2003), while doing a stunt, she became tangled in the wires that were helping her do a flip and nearly crashed into a wall she was supposed to flip off. Ben Affleck, in his Daredevil costume, rushed up to her, grabbed her and pulled her away from the wall before she hit it. She later commented, "It was like he was Superman.".
Is a member of Pi Beta Phi national sorority, Ohio Eta Chapter.
Daughter of William John and Patricia Ann Garber. Has two sisters: Melissa Garner (who has a son, Jack) and Susannah Garner (who has a daughter, Emma).
Alias (2001) creator J.J. Abrams gave her a pink bicycle for her birthday. Being the first one on set, she would often greet the series' production crew by ringing the bells on the bike's handlebars.
Father is a chemical engineer, mother is an English teacher.
Ranked #14 on Stuff magazine's "102 Sexiest Women in the World" list. 
Often confused with actress Amy Jo Johnson. Garner admitted that sometimes she is asked to autograph photos that turn out to be of Johnson and not her.
One of her call signs on Alias (2001) is "Mountaineer". She was raised in West Virginia, and the Mountaineer is the mascot of West Virginia University.
While filming a sai/sword fight in Elektra (2005), accidentally got her knuckles sliced by Will Yun Lee. She got her knuckles patched up, and when she and Lee resumed, he subsequently sliced her again in the exact same spot.
Ranked #2 on FHM magazine's "100 Sexiest Women in the World" list in its 2005 special supplement.
Her husband Ben Affleck was her co-star in Daredevil (2003). The two met on the set of the movie Pearl Harbor (2001) but would not become a couple until Affleck's very public relationship with singer/actress Jennifer Lopez ended.
In 13 Going on 30 (2004), her character is editor of a magazine that features Jennifer Lopez on the cover. Lopez was engaged to Garner's husband Ben Affleck.
Sister-in-law of Casey Affleck and Summer Phoenix.
Wears green contact lenses in Daredevil (2003) and Elektra (2005), even though the comic book version of Elektra has brown eyes, which is her natural eye color.
During her appearance on The Tonight Show with Jay Leno (1992), she accidentally revealed the sex of her unborn baby. [September 2005]
She married Ben Affleck at the exclusive Parrot Cay resort on the Turks and Caicos Islands in the Caribbean.
Following the terrorist attacks on 9/11, she was the host of a recruitment video for the Central Intelligence Agency (CIA) aimed at young professionals whom the agency would like to interest in a career.
Has appeared with husband Ben Affleck in two movies: Pearl Harbor (2001) and Daredevil (2003). This would have been three, but Affleck's small scene in Elektra (2005), was deleted from the final film.
Ranked #3 on Maxim magazine's Hot 100 Women of 2005 list.
Was born in Texas, but raised in West Virginia.
Was listed as a potential nominee for Worst Actress on the 2006 Razzie Award nominating ballot, for her performance in Elektra (2005). She was not nominated.
Is one of four actresses to play Clara Allen in the "Lonesome Dove" series. The role was first played by Anjelica Huston in Lonesome Dove (1989), and then Barbara Hershey in Return to Lonesome Dove (1993). Garner plays the younger, unmarried Clara Forsythe in Dead Man's Walk (1996). Linda Cardellini takes over the role in Comanche Moon (2008). Of the four actresses, she is the only one who, like her character, is from Texas.
Husband Ben Affleck asked for her hand in marriage with a Neil Lane eternity band with round diamonds.
Alias (2001) castmate Victor Garber took an Internet guide to officiating at weddings to marry Jennifer and Ben Affleck. Besides Garner and Affleck, Garber was the only other person at the wedding.
Ranked #12 on FHM magazine's "100 Sexiest Women in the World" list in its 2006 special supplement.
At their wedding, she wore a dress by Vera Wang and Ben Affleck wore Hugo Boss.
She and husband Ben Affleck both had movies released on January 26, 2007. Hers was Catch and Release (2006) and his was Smokin' Aces (2006).
Ranked #35 on Maxim magazine's Hot 100 Women of 2007 list.
She was set to star with Adam Sandler in Reign Over Me (2007), playing the role Liv Tyler did, before dropping out several weeks before filming began.
She appears in The Kingdom (2007) with Chris Cooper and Danny Huston. Huston's sister, Anjelica Huston, appeared with Cooper in Lonesome Dove (1989). Garner played the younger version of Huston's character in Dead Man's Walk (1996).
While starring in Alias (2001), she played opposite Peter Berg in two episodes (he played her ex-boyfriend). He later went on to direct her in The Kingdom (2007).
Was named the 2007 West Virginian of the Year by the Charleston Gazette.
In 2006, she had to have her ears pierced especially to be able to wear the $250,000 diamond chandelier-style earrings she wore to that year's Academy Awards ceremony, but then let them heal up again after the ceremony.
Ranked #20 on Wizard magazine's "Sexiest Women of Television" (for her role as Sydney Bristow on Alias (2001)). [March 2008]
Ranked #44 on Maxim magazine's Hot 100 Women of 2008 list.
For the 2008 Presidential election, Jennifer registered to vote as 'Jennifer Affleck', not as 'Jennifer Garner'.
At the end of January 2009, Jennifer and her older sister, Melissa, both had their ears pierced during a visit to a medical center in Santa Monica, California. Although this was the third time that Jennifer had her ears pierced (she had let them heal up again both times before, in 1999 and 2006), this was the first time that her sister Melissa had ever had hers pierced.
She was considered for the role of Carol Ferris in Green Lantern (2011), which went to Blake Lively.
Has three children with her ex-husband Ben Affleck: two daughters, Violet Anne Affleck (b. December 1, 2005) and Seraphina Rose Elizabeth Affleck (b. January 6, 2009), and one son Samuel Garner Affleck (b. February 27, 2012).
Returned to work 9 months after giving birth to her son Samuel in order to begin filming Dallas Buyers Club (2013).
Was 3 months pregnant with her son Samuel when she completed filming on The Odd Life of Timothy Green (2012).
Had a relationship with her Alias (2001) co-star, Michael Vartan, from 2003-2004.
In 2009, Jennifer used the same church twice in two different movies that her character was married in, The Invention of Lying (2009) and Ghosts of Girlfriends Past (2009). The Martha-Mary Chapel was built by Henry Ford in Sudbury, Massachusetts and is dedicated to Henry and Clara Ford's mothers, Martha Bryant and Mary Litogot Ford.
She has English, and smaller amounts of Scottish, Scots-Irish/Northern Irish, German, and Swiss-German, ancestry.
She and to-be-ex husband Ben Affleck announced their separation on June 30, 2015, which is exactly 10 years and one day after their wedding occurred. On March 8, 2017, it was reported that they called off the divorce but filed for divorce again next month.
She once cleaned toilets as a summer job.
In both 13 Going on 30 (2004) and Ghosts of Girlfriends Past (2009), the younger version of her character was played by Christa B. Allen.
While still a struggling actress, Jennifer once babysat for Stephen Colbert after both had become acquainted as cameo stars on Spin City: The Competition (1996). Stephen and wife Evelyn had just had a baby daughter Madeleine.
Friends with Reese Witherspoon, Jessica Simpson, Keri Russell, Victor Garber and Jean Louisa Kelly.
Ranked #11 on Maxim magazine's Hot 100 Women of 2003 list.
Co-founder of baby food line "Once Upon a Farm" producing "farm-to-high chair" quality meals for children. 
She was awarded a Star on the Hollywood Walk of Fame at 6920 Hollywood Boulevard in Hollywood, California on August 20, 2018.