Keisler may refer to:

• Howard Jerome Keisler, an American mathematician
• Peter Keisler (1960–), an American lawyer
• Randy Keisler (1976–), an American baseball pitcher

• Terukuttu
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• Terumah (parsha)
• Terumat Ani
• Terumat hamaaser
• Terumat Ma'aser
• Terumi Asoshina
• Teru Mikami
• Terumi Niki
• Teru Miyamoto
• Terumo
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• Terumoto Mori
• Terunobu Maeda
• Teruo Akiyama
• Teruo Higa
• Teruo Ishii
• Teruo Sugihara
• Teruo Yajima
• Terushichi Hirai
• Teru Shimada
• Teru (singer)
• Teruteru
• Teru teru bouzu
• Teruteru bozu