Tito Ortiz's love for the Trump family is definitely mutual -- with the UFC legend getting invited to hang with the President after a private lunch with Don Jr. and Eric Trump.
Tito's camp tells TMZ Sports ... Eric personally reached out to Tito last week when he heard the MMA superstar was in New York -- and the two sides quickly arranged a lunch date at Trump Tower.
"Secret Service walked us through crowds to a private room in Trump's restaurant," Tito's rep tells us.