Nigel Williams-Goss (born September 16, 1994) is an American professional basketball player for Olympiacos of the Greek Basket League and the EuroLeague.

[4] After helping lead Findlay Prep to a High School National Championship, while averaging 15 points, 4.9 assists, and 4 rebounds per game, he was named a third-team junior All-American by MaxPreps in 2012.

[5] As a senior, Williams-Goss averaged more than 18 points and 7 assists per game and was named to MaxPreps' first-team All-American team, after leading Findlay Prep 54 consecutive wins, including a 35–1 record and a trip to the semifinals of the National High School Invitational in the 2012–13 season.

[8] Williams-Goss was also invited to the Jordan Brand Classic, where he led the West team to a 102–98 victory over the East, delivering the game-winning basket, in which he stole the ball and converted a three-point play after sinking a layup and heading to the foul line for an additional point.

Despite his phenomenal year, UW finished with a disappointing 17–15 record (9–9 in Pac-12 games), losing in the first round of the Pac-12 Tournament to Utah, and missed the postseason for the first time since 2007, after declining an invitation to the CBI.

[16] In his first collegiate game, he posted 6 points, 6 assists, 3 rebounds, 3 steals, and a season-best 1 block on 2-for-7 field goal shooting and 2-for-2 from the free throw line in an 88–78 win over inner-city rival Seattle University.

[17] On November 17, he had 22 points, 6 rebounds, 5 assists, and a season-high 3 steals on 9-for-15 from the field and 4-for-5 from the charity stripe in a 92–80 win over Eastern Washington.

[21] On February 22, Williams-Goss dished out a season-high 10 assists to go along with 14 points, 2 rebounds, and 1 steal on 7-for-10 field goal shooting in an 86–62 win over Oregon State.

[22] On February 28, he grabbed a season-high 12 rebounds, along with 17 points, 4 assists, and 2 steals on 6-of-10 2-point field goals, 1-of-2 3-pointers, and 2-of-3 free throws om 30 minutes, in a 72–49 win over cross-state rival Washington State.

[25] Washington began the year with an 11–0 record, including impressive wins over Oklahoma and San Diego State, matching the best start in Lorenzo Romar's tenure as the Huskies' coach.

In his first game as a sophomore at Washington on November 14, 2014, Williams-Goss grabbed a career-high 12 rebounds, along with 10 points, 7 assists, 2 steals, and 1 block on 5-of-5 2-point shooting in a 77–59 win over South Carolina State.

[26] On November 28, he dished out a career-high 12 assists to go along with 21 points and 7 rebounds on 6-for-14 field goals and 5-for-6 free throws in an 80–70 win over Long Beach State.

[27] On January 2, 2015, in an 81–75 loss to Cal, Williams-Goss came the closest to a triple-double in his college career, posting 19 points, 9 assists, and 8 rebounds on 7-for-16 from the field and 5-for-6 from the free throw line.

[28] In an 80–77 loss to Washington State on January 10, Williams-Goss dropped 30 points, 7 rebounds, 5 assists, and career-highs of 3 steals and 1 block on 13-for-22 field goals and 4-of-4 from the charity stripe.

[29] In a loss to Cal on February 1, he posted a season-high 31 points along with 6 rebounds, 5 assists, 1 steal, and zero turnovers on 8-of-11 2-pointers, 3-for-6 3-point field goals, and 6-of-6 free throws.

[34][39] Williams-Goss cited the Zags' track record of developing players during their redshirt year, winning at a high level, and their up-tempo offense which includes a ton of ball screens for his commitment to Gonzaga.

[43] On July 15, 2019, Olympiacos announced that Williams-Goss had exercised his one million dollar buy-out option in order to join the Utah Jazz.