斑纹海豚属（学名：Lagenorhynchus）也称瓶喙海豚属，是鲸目海豚科的一属，现存6种：

Lagenorhynchus is a genus in the order Cetacea, traditionally containing six species:

The name Lagenorhynchus derives from the Greek lagenos meaning "bottle" and rhynchus meaning "beak". Indeed, the "bottle-nose" is a characteristic of this genus. However, the dolphins that have attained the common name bottlenose dolphin belong in the genus Tursiops. The melon-headed whale was once classified in this genus, but was later removed to its own Peponocephala genus.