What script type? I think the short answer is no, but you may be talking about concurrency rather than limitation of scripts against records i.e client scripts.
If you're talking about scripts against records it's "sometimes" a hard limit to the best of my knowledge. You'll find if you navigate to Scripted Records and put one of the entries in edit it describes the limitations. UE's they recommend not going above 10 scripts with client it's a hard 10 and anything beyond the 10th deployed will never fire. @andrewm