Besla waitangiensis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. The species is one of twelve known species within the Besla genus of gastropods. The species is one of three species within the Besla genus to have a binomial name accepted by Laws, C. R. in 1941, with the exception of the other two being Besla rossiana and Besla vaga. 
This marine species is known to be distributed throughout marine terrain off the coasts of New Zealand, within the New Zealand Exclusive Economic Zone.
- Laws C.R. (1941) Review of the Tertiary and Recent Neozelanic Pyramidellid Molluscs. Nº 8. The pyrgulinid genera and the genus Evalea. Transactions and Proceedings of the Royal Society of New Zealand, 71: 6-22, pl. 1-2. World Register of Marine Species, Retrieved 2012-08-25.
- Rosenberg, G. (2012). Besla waitangiensis Laws, 1941. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=599076 on 2012-08-26
- Spencer H.G., Willan R.C., Marshall B.A. & Murray T.J. (2011) Checklist of the Recent Mollusca Recorded from the New Zealand Exclusive Economic Zone. Online http://www.molluscs.otago.ac.nz/
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