Saldoida slossonae is a species of shore bug in the family Saldidae, first described by Osborn in 1901. The species is endemic to North America and comprises two recognized subspecies: Saldoida slossonae slossonae and Saldoida slossonae wileyae. Like other members of Saldidae, it is associated with shoreline habitats. The species is documented in entomological collections but remains poorly studied in ecological literature.