The 1974 Bavarian Tennis Championships – Singles was an event of the 1974 Bavarian Tennis Championships men's tennis tournament and was played on outdoor clay courts at the MTTC Iphitos in Munich, West Germany between 13 May and 19 May 1974. The draw comprised 32 players and eight of them were seeded. Sandy Mayer was the defending Bavarian Tennis Championships singles champion but did not compete in this edition. Seventh-seeded Jürgen Fassbender won the title, defeating fifth-seeded François Jauffret in the final, 6–2, 5–7, 6–1, 6–4.