is a professional association football club based in Belfast, Northern Ireland.
The club plays in the NIFL Premiership, the highest level of the Northern Ireland Football League.
They have played at their current home ground, Windsor Park, since 1905.
Previous to this they had played at Ulsterville Avenue from 1889 until 1905 and The Meadow from their foundation in 1886 to 1889.
A one-club man and former club captain, defender Noel Bailie holds the record for the most Linfield appearances, playing 1,013 times for the club during a career that spanned 22 years between his debut in 1989 and his retirement in 2011.