Jess Sims née Jessica Williams (born 1990)[1] is a Welsh international lawn and indoor bowler.

[2] Jess has represented Wales for many years in Junior and Senior squads.

In 2015 she won the fours silver medal at the Atlantic Bowls Championships.

[3] In 2016, she won the gold medal with Laura Thomas in the pairs at the 2016 World Outdoor Bowls Championship in Christchurch.

[4] She was selected as part of the Welsh team for the 2018 Commonwealth Games on the Gold Coast in Queensland[5]