Kinnerley made 32 starts for Nottingham Forest last season, missing just 1 game throughout the campaign and keeping 15 clean sheets.
On the move, she commemted; “I decided to join Leicester Women this season to seek a new challenge with a new club. Leicester have made me feel welcome right from the off and it’s like one big family where everyone gets along.
“The training definitely puts me through my limits and challenges me to succeed in being a better goalkeeper.
“For the upcoming season within the Women’s Premier League, I’m sure we will be fighting to prove our place – that we rightly deserve in that league.”
Manager Jonathan Morgan added; “Bringing in Nessa from Forest is a great coup for us and it shows our ongoing ambition and progression at the club.
“We are thrilled to have her at Leicester Women and she will bring invaluable experience and quality to the first team setup.”