The 2022–23 season is Linfield's 122nd season in the top flight of the Northern Ireland Football League having never been relegated since the league's formation in 1890.

[4] Linfield announced the first of their friendlies on 19 May stating they would be playing Newtown and St Mirren at home in preparation for their Champions League 1st Qualifying Round tie.

[5] A further 2 fixtures against Knockbreda and Harland & Wolff Welders, both to be held away from home were announced on 9 June.

[6] While on a pre-season training camp in Marbella, Linfield announced they would be playing Qatar at the end of the camp.

[7] The final pre-season friendly was announced as being against Loughgall as a testimonial match for Loughgall Player Steven Ferguson.