Allyn is both a given name and a surname. Notable people with the name include:

Allyn and Bacon, Inc.
Evaluation of the A&D UA-767 and Welch Allyn Spot Vital Signs noninvasive blood pressure monitors using a blood pressure simulator.
Book Review: Usability Testing and Research. Carol M. Barnum. Allyn & Bacon Series in Technical Communication. Ed. Sam Dragga. New Y...
Piaget's Theory of Cognitive and Affective Development: Foundations of Constructivism (Allyn & Bacon Classics Edition), 5/E
Writing in the Sciences: Exploring Conventions of Scientific Discourse (Part of the Allyn & Bacon Series in Technical Communication)...
Designing Visual Language: Strategies for Professional Communicators (Part of the Allyn & Bacon Series in Technical Communication), ...
W. Allyn Rickett (tr.): Kuan-tzu: a repository of early Chinese thought. Vol. I. xviii, 269 pp. Hong Kon...
The ugriz Standard-Star System
Dynamics of TCP traffic over ATM networks
Prostate Specific Antigen in the Preoperative and Postoperative Evaluation of Localized Prostatic Cancer Treated with Radical Prosta...