Span may refer to:
Science, technology and engineering Span (unit), the width of a human hand Span (engineering), a section between two intermediate supports Wingspan, the distance between the wingtips of a bird or aircraft Sorbitan esters, also known as a spans Nebbiolo, an Italian wine grape also known as Span
Mathematics Linear span, or simply span, in linear algebra Span (category theory)
Computing Span, a collection type representing a contiguous sequence of object or memory System.Span<T>, a .NET Framework (C#) class for working with contiguous sequences of objects or stack-allocated arrays std::span<T> and std::mdspan<T>, C++ classes for working with one-dimensional and multi-dimensional (respectively) array views <span>, an HTML element; See div and span Switched Port Analyzer, Cisco implementation of port mirroring Smartphone ad hoc network Critical path length in analysis of parallel algorithms
Other uses Span (band), a Norwegian rock band Span (design firm), an American design studio SPAN magazine, a publication of the US Embassy, New Delhi, India; see former editor V. D. Trivadi Saudi Payments Network CME SPAN, Standard Portfolio Analysis of Risk, for futures contracts Span Developments, former UK builder
People Span (surname) Span., taxonomic author abbreviation of Johan Baptist Spanoghe (1798–1838), Dutch botanical collector