Years in software names are rarely reliable. Office 2016 will be out well before 2016 itself rolls around. But SharePoint Server 2016, the next version of Microsoft's venerable intranet platform, actually will make its official appearance in 2016.
In a blog post today, Microsoft confirmed a calendar Q1 2016 release date for SharePoint Server 2016, with a public beta in the final quarter of this year. More details on the platform's feature set will be unveiled at the Microsoft Ignite conference (the one that used to be called TechEd) next month.
SharePoint Server 2016 update [Official Microsoft Blog]