L' (L + apostrophe), or Lʼ (L + Modifier letter apostrophe, modifier apostrophe) may represent:
* an abbreviated form of a French articles and determiners, French definite article
* the compose key sequence for Ĺ (L + acute accent)
* palatalised consonant, palatalised ''l'', in Slavic notation
It looks similar to:
* Ľ (L + caron), a letter used in the Slovak alphabet and in some versions of the Ukrainian Latin alphabet
* ɬʼ, the International Phonetic Alphabet symbol for the alveolar lateral ejective fricative
* L′ (L + Prime (symbol), prime)
* Lʻ (L + ʻokina)
* Lʾ (L + Modifier letter right half ring, right half ring)
* Lʿ (L + Modifier letter left half ring, left half ring)
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