Girlguiding is the operating name of The Guide Association, previously named The Girl Guides Association. It is the national guiding organisation of the United Kingdom. It is the UK's largest girl-only youth organisation. Girlguiding is a charitable organisation.

Girl Guides is a worldwide movement, originally and largely still designed for girls and women only. The movement began in 1909, when girls requested to join the then-grassroots Boy Scout Movement.