2023 Women's Six Nations Championship squads

The 2023 Women's Six Nations Championship was the 22nd edition of the Women's Six Nations Championship, an annual rugby union competition contested by the national teams of England, France, Ireland, Italy, Scotland and Wales. England were the defending champions, having won their 18th title in 2022. There was no limit on the number of players each team may call up to play in the competition.

Note: Number of caps are indicated as of the first match of the tournament (25 March 2023).

England
England's 42-player squad was announced on 2 March 2023.

On 22 March 2023, Mackenzie Carson was added to the squad, after her application to transfer her national allegiance from Canada, under new World Rugby eligibility regulations, was approved.

On 30 March 2023, lock Delaney Burns was called up to England's squad ahead of their second round fixture against Italy.

Head coach: 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Simon Middleton

France
France's 36-player squad was announced on 7 March 2023.

Head coach: 🇫🇷 Thomas Darracq

Ireland
Ireland's 32-player squad was announced on 28 February 2023.

Head coach: Greg McWilliams

Italy
On 6 March 2023, Italy named a 38-player squad for the 2023 Women's Six Nations Championship.

Head coach: 🇮🇹 Giovanni Raineri

Scotland
On 13 March 2023, Scotland named a 37-player squad for the 2023 Women's Six Nations Championship.

Head coach:  Bryan Easson

Wales
Wales 36-player squad was announced on 8 March 2023.

Head coach: 🏴󠁧󠁢󠁷󠁬󠁳󠁿 Ioan Cunningham