Mario

Mario is a character from the Mario series. He is the protagonist in most games of his series, and according to Nintendo's philosophy, he is the hero that goes on an adventure alongside his younger twin brother Luigi to save Princess Peach from Bowser.

Het

 * Mareach - the ship between Mario and Princess Peach.
 * Maraisy - the ship between Mario and Princess Daisy.
 * Marilina - the ship between Mario and Rosalina.
 * MariPauline - the ship between Mario and Pauline.
 * Marioadette - the ship between Mario and Toadette.

Slash

 * Bowrio - the ship between Mario and Bowser.
 * SonMario - the ship between Mario and Sonic the Hedgehog.
 * GenoMari - the ship between Mario and Geno.

Familyships

 * Mario Brothers is the ship between Mario and Luigi.

Non-binary ships

 * Marivian is the ship between Mario and Vivian.