The 33-year-old will wear the No 21 shirt for Alex Dyer's side and could feature in Saturday's home game against Dundee United.
Mulumbu can count Paris St Germain, West Brom and Norwich City among his former clubs and also had a spell with Celtic.
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Friday 28th August 2020
Midfielder Youssouf Mulumbu has joined Kilmarnock for a third time after agreeing a sixth-month deal with the Ayrshire club...
The 33-year-old will wear the No 21 shirt for Alex Dyer's side and could feature in Saturday's home game against Dundee United.
Mulumbu can count Paris St Germain, West Brom and Norwich City among his former clubs and also had a spell with Celtic.