I have compiled all the “iota” Unicode search results so you can stop this thread.
U+0196 Ɩ LATIN CAPITAL LETTER IOTA U+0269 ɩ LATIN SMALL LETTER IOTA U+027F ɿ LATIN SMALL LETTER REVERSED R WITH FISHHOOK U+0345 ͅ COMBINING GREEK YPOGEGRAMMENI U+037A ͺ GREEK YPOGEGRAMMENI U+038A Ί GREEK CAPITAL LETTER IOTA WITH TONOS U+0390 ΐ GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS U+0399 Ι GREEK CAPITAL LETTER IOTA U+03AA Ϊ GREEK CAPITAL LETTER IOTA WITH DIALYTIKA U+03AF ί GREEK SMALL LETTER IOTA WITH TONOS U+03B9 ι GREEK SMALL LETTER IOTA U+03CA ϊ GREEK SMALL LETTER IOTA WITH DIALYTIKA U+1D7C ᵼ LATIN SMALL LETTER IOTA WITH STROKE U+1DA5 ᶥ MODIFIER LETTER SMALL IOTA U+1F30 ἰ GREEK SMALL LETTER IOTA WITH PSILI U+1F31 ἱ GREEK SMALL LETTER IOTA WITH DASIA U+1F32 ἲ GREEK SMALL LETTER IOTA WITH PSILI AND VARIA U+1F33 ἳ GREEK SMALL LETTER IOTA WITH DASIA AND VARIA U+1F34 ἴ GREEK SMALL LETTER IOTA WITH PSILI AND OXIA U+1F35 ἵ GREEK SMALL LETTER IOTA WITH DASIA AND OXIA U+1F36 ἶ GREEK SMALL LETTER IOTA WITH PSILI AND PERISPOMENI U+1F37 ἷ GREEK SMALL LETTER IOTA WITH DASIA AND PERISPOMENI U+1F38 Ἰ GREEK CAPITAL LETTER IOTA WITH PSILI U+1F39 Ἱ GREEK CAPITAL LETTER IOTA WITH DASIA U+1F3A Ἲ GREEK CAPITAL LETTER IOTA WITH PSILI AND VARIA U+1F3B Ἳ GREEK CAPITAL LETTER IOTA WITH DASIA AND VARIA U+1F3C Ἴ GREEK CAPITAL LETTER IOTA WITH PSILI AND OXIA U+1F3D Ἵ GREEK CAPITAL LETTER IOTA WITH DASIA AND OXIA U+1F3E Ἶ GREEK CAPITAL LETTER IOTA WITH PSILI AND PERISPOMENI U+1F3F Ἷ GREEK CAPITAL LETTER IOTA WITH DASIA AND PERISPOMENI U+1F76 ὶ GREEK SMALL LETTER IOTA WITH VARIA U+1F77 ί GREEK SMALL LETTER IOTA WITH OXIA U+1FD0 ῐ GREEK SMALL LETTER IOTA WITH VRACHY U+1FD1 ῑ GREEK SMALL LETTER IOTA WITH MACRON U+1FD2 ῒ GREEK SMALL LETTER IOTA WITH DIALYTIKA AND VARIA U+1FD3 ΐ GREEK SMALL LETTER IOTA WITH DIALYTIKA AND OXIA U+1FD6 ῖ GREEK SMALL LETTER IOTA WITH PERISPOMENI U+1FD7 ῗ GREEK SMALL LETTER IOTA WITH DIALYTIKA AND PERISPOMENI U+1FD8 Ῐ GREEK CAPITAL LETTER IOTA WITH VRACHY U+1FD9 Ῑ GREEK CAPITAL LETTER IOTA WITH MACRON U+1FDA Ὶ GREEK CAPITAL LETTER IOTA WITH VARIA U+1FDB Ί GREEK CAPITAL LETTER IOTA WITH OXIA U+2129 ℩ TURNED GREEK SMALL LETTER IOTA U+2373 ⍳ APL FUNCTIONAL SYMBOL IOTA U+2378 ⍸ APL FUNCTIONAL SYMBOL IOTA UNDERBAR U+2C27 Ⱗ GLAGOLITIC CAPITAL LETTER IOTATED SMALL YUS U+2C29 Ⱙ GLAGOLITIC CAPITAL LETTER IOTATED BIG YUS U+2C57 ⱗ GLAGOLITIC SMALL LETTER IOTATED SMALL YUS U+2C59 ⱙ GLAGOLITIC SMALL LETTER IOTATED BIG YUS U+A646 Ꙇ CYRILLIC CAPITAL LETTER IOTA U+A647 ꙇ CYRILLIC SMALL LETTER IOTA U+1D6B0 𝚰 MATHEMATICAL BOLD CAPITAL IOTA U+1D6CA 𝛊 MATHEMATICAL BOLD SMALL IOTA U+1D6EA 𝛪 MATHEMATICAL ITALIC CAPITAL IOTA U+1D704 𝜄 MATHEMATICAL ITALIC SMALL IOTA U+1D724 𝜤 MATHEMATICAL BOLD ITALIC CAPITAL IOTA U+1D73E 𝜾 MATHEMATICAL BOLD ITALIC SMALL IOTA U+1D75E 𝝞 MATHEMATICAL SANS-SERIF BOLD CAPITAL IOTA U+1D778 𝝸 MATHEMATICAL SANS-SERIF BOLD SMALL IOTA U+1D798 𝞘 MATHEMATICAL SANS-SERIF BOLD ITALIC CAPITAL IOTA U+1D7B2 𝞲 MATHEMATICAL SANS-SERIF BOLD ITALIC SMALL IOTA U+1E027 𞀧 COMBINING GLAGOLITIC LETTER IOTATED SMALL YUS U+1E029 𞀩 COMBINING GLAGOLITIC LETTER IOTATED BIG YUS