The eleventh season of Married at First Sight premiered on 29 January 2024 on the Nine Network. Relationship experts John Aiken and Mel Schilling, alongside sexologist Alessandra Rampolla, all returned to match nine brides and nine grooms. Halfway through the experiment, the experts matched another two brides and two grooms together, as well as two grooms in a same-sex couple.
On 28 January 2024, OzTAM's rating data recording system changed. Viewership data then focused on National Reach and National Total ratings instead of the five metro centres and overnight shares.