How to disable notifications for a single calendar, in iOS6
Yes, in iOS 8:


  To do this, simply go into the Calendar app, tap the “Calendars” button in the bottom center to bring up your list of Calendars, and then tap the red “i” to the left of the calendar you’d like to change. Scrolling all the way to the bottom will reveal an “Event Alerts” option — simply toggle this OFF to prevent alarms in that calendar from showing up on the current device.