In historical analysis, biblical criticism and comparative mythology parallelomania refers to a phenomenon where authors perceive apparent similarities and construct parallels and analogies without historical basis.
The concept was introduced to scholarly circles in 1961 by Rabbi Samuel Sandmel of the Hebrew Union College in a paper of the same title, where he stated that he had first encountered the term in a French book of 1830, but did not recall the author or the title. Martin McNamara, MSC (Milltown Institute of Theology and Philosophy) stated that Sandmel's initial paper has proven to be "highly influential".
Sandmel stated that the simple observations of similarity between historical events are often less than valid, but at times lead to a phenomenon where authors first notice a supposed similarity, overdose on analogy, and then "proceeds to describe source and derivation as if implying a literary connection flowing in an inevitable or predetermined direction."
Christian and Jewish scholars have used the concept in a number of cases and areas, e.g. Thomas Schreiner (Southern Baptist Theological Seminary) applies it to over-generalization of the simple use of the verb "see" used as a participle to refer to a casual act of observation, to extending its meaning to have deeper spiritual contexts in order to construct parallels. Jewish scholar Jacob Neusner has stated that some portrayals of Aphrahat as someone who picked and chose among Rabbinical literature is based on weak parallels which fall within Sandmel's characterization of parallelomania. Joseph Fitzmyer, SJ states the analyses of the Pauline Epistles have at times suffered from parallelomania through the construction of unwarranted analogies with prior traditions. Gerald O'Collins, SJ states that most scholars are now aware of the pitfalls of parallelomania which exaggerate the importance of trifling resemblances.
See also 
- Sandmel, S (1962). "Parallelomania". Journal of Biblical Literature 81 (1): 1–13. doi:10.2307/3264821. JSTOR 3264821.
- Samuel Sandmel, 1961 "Parallelomania", The Presidential Address Given Before the Society of Biblical Literature, December 27, 1961, reprinted in Presidential Voices: The Society of Biblical Literature in the Twentieth Century (Biblical Scholarship in North America) edited by by Harold W. Attridge, Harold, W. Attridge and James (Nov 15, 2006) ISBN 1589832590 pages 107-118
- A Continuum: Targums and Formation of Late Second Temple Judaism by Martin McNamara in Studies on the Text and Versions of the Hebrew Bible in Honour of Robert Gordon by Geoffrey Khan and Diana Lipton (Oct 2011) ISBN 9004217304 page 279
- The New American Commentary: 1, 2 Peter, Jude (New American Commentary, 37) by Thomas R. Schreiner (Sep 1, 2003) ISBN 0805401377 page 122
- Aphrahat and Judaism by Jacob Neusner 1971 ISBN 9780788505775 E.J. Brill pages 188-189
- According to Paul: Studies in the Theology of the Apostle by Joseph Fitzmyer (1 Jan 2003) ISBN 0809133903 page 32
- Gerald O'Collins, "The Hidden Story of Jesus" New Blackfriars Volume 89, Issue 1024, pages 710–714, November 2008