Redman -- Hey Ronda Rousey ... Lemme Do Your Walkout Song!

Ronda Rousey needs a BANGER when she walks out to brawl with Holly Holm at UFC 193 tomorrow -- and rap legend Redman says he's got the PERFECT song to get her hyped.

Redman was out in NYC when he told us the walkout song is KEY for a fighter ... and he's been thinking of the perfect beat to get Ronda hyped up for when she does battle Saturday night.

BTW, Redman's a HUUUGE Rousey fan -- and says she's just as dominant as Mike Tyson in his prime.

Make sure to check out UFC 193 -- Rousey Vs. Holm -- LIVE on PPV this Saturday Nov. 14th.