Are there .25 caliber semi automatic handguns?

Answer 1

Yes. Quite a few manufacturers have made and continue to make .25 caliber pistols. Some are:

• Beretta 25 Caliber Model 950
• Browning Baby 25 Auto
• Budischowsky .25 Automatic Pistol
• Colt Vest Pocket 1908
• C G Haenel Schmeisser I .25 ACP
• FEG 6.35 mm
• Kommer Pocket .25 ACP
• INTRATEC Model Protec 25AC
• Langenhan 2 .25 ACP
• M.A.B Martian 6.35MM
• Mauser 1910-1914 6.35 mm
• Mauser WTPI .25 ACP
• Melior of Belgium Vest Pocket .25 ACP
• P.A.F. Junior Pocket Pistol
• Ortgies Vest Pocket .25 ACP
• OWA Vest Pocket .25 ACP
• Schuler Reform Pistol (a four shot, four barrel, but still auto)
• Taurus PT-25 Auto
• Sundance 825
• Tula Korvna Mdl. TOZ

There are many others.