白喙斑紋海豚（學名：Lagenorhynchus albirostris）是斑紋海豚屬的一種海豚，於1846年由英國動物學家約翰·愛德華·格雷描述發表，其種小名意為「白色的吻部」[3]。本種成體可長至2.3—3.1公尺，重180—354公斤；幼仔體長約1.2公尺，重約40公斤[4]。其背部為深灰色，並帶有淺灰色斑點，腹部則為淺灰色至白色，吻部一般為白色[5]。
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白喙斑紋海豚分布於北大西洋的溫帶與副極地水域、水深淺於1000公尺處[6]，其中最常見於格陵蘭島西南方、冰島周邊、英國北方與東方海域以及挪威外海等四個地點[7]，主要以鱈科魚類為食[8][9]。本種具社會性，一般由少於10個個體組成族群[7]，有時也會組成更大的族群[10]。
Shirihai, H. & Jarrett, B. Whales, Dolphins and Other Marine Mammals of the World. Princeton Field Guides. 2006: 199–200. ISBN 9780691127569. Bertulli, C.G.; et al. Color patterns in white-beaked dolphins (Lagenorhynchus albirostris) from Iceland. Marine Mammal Science. July 2016, 32 (3): 1072–1098. doi:10.1111/mms.12312. Hansen, R.G. & Heide-Jørgensen, M.P. Spatial trends in abundance of long-finned pilot whales, white-beaked dolphins and harbour porpoises in West Greenland. Marine Biology. November 2013, 160 (11): 2929–2941. S2CID 84752148. doi:10.1007/s00227-013-2283-8. Galatius, A. & Kinze, C.C. Lagenorhynchus albirostris (Cetacea: Delphinidae). Mammalian Species. August 2016, 48 (933): 35–47. doi:10.1093/mspecies/sew003 
. Jansen, O.E.; et al. Are white-beaked dolphins Lagenorhynchus albirostris food specialists? Their diet in the southern North Sea. Journal of the Marine Biological Association of the United Kingdom. December 2010, 90 (8): 1501–1508. S2CID 55878106. doi:10.1017/S0025315410001190. Canning, S.J.; et al. Seasonal distribution of white-beaked dolphins (Lagenorhynchus albirostris) in UK waters with new information on diet and habitat use. Journal of the Marine Biological Association of the United Kingdom. September 2008, 88 (6): 1159–1166. S2CID 85215744. doi:10.1017/S0025315408000076.
