Marconi

• David Marconi, an American screenwriter.
• Enrico Marconi, also known as Henryk Marconi, an architect.
• Leandro Marconi, an architect, son of Enrico Marconi.
• Guglielmo Marconi, an Italian-born radio pioneer.
• Marconi sailing club, a sailing club in Essex, England.
• Marconi Stallions, a Sydney football club.
• Marconi class submarine, an Italian class of submarine.
• Marconi scandal, a British political scandal.
• Marconi rig, a common rigging configuration on sailboats (also known as a Bermuda rig)

Corporations:

• Marconi Company, founded by Guglielmo Marconi; absorbed in 1946 into English Electric Company, which in turn was purchased by GEC in 1968 and used as the focus of its defence businesses.
• Marconi Electronic Systems or GEC-Marconi, defence arm of GEC, sold to British Aerospace in 1999 to form BAE Systems.
• Marconi plc, name adopted by GEC in 1999, now a part of Ericsson.
• Alenia Marconi Systems, a former British-Italian defence electronics company, now split between the BAE Systems and Finmeccanica.
• Matra Marconi Space,a former Franco-British aerospace company, now part of Astrium.