Seidl

Seidl is a German-language surname. It is a variant spelling of Seidel and is found mainly in German-speaking countries such as Austria, southern Germany (particularly Bavaria), and parts of Switzerland. As with Seidel, the origin is likely occupational or nickname-based, deriving from a term used for someone who served or carried a small beer mug, known in German as a Seidel. The name has spread through migration to the Americas and other regions with German-speaking communities, where it has sometimes undergone spelling shifts such as Seitl or Seydl.

In onomastic studies, Seidl is treated as a hereditary surname with regional concentrations in Austria and southern Germany, reflecting historical patterns of settlement and language.

Notable individuals with the surname include Ulrich Seidl (born 1952), an Austrian filmmaker and writer known for a realist, often controversial body of work including Dog Days and the Paradise trilogy. His films are characterized by documentary-influenced aesthetics and a persistent focus on social and moral tensions within contemporary society. The surname is borne by other people in various fields, reflecting its broad geographic distribution in German-speaking areas.