diff --git a/README.md b/README.md
index 5a668d7d..100068a5 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ human-readable size or throughput. It is localized to:
 - Catalan
 - Danish
 - Dutch
+- Esperanto
 - European Portuguese
 - Finnish
 - French
diff --git a/src/humanize/locale/eo/LC_MESSAGES/humanize.po b/src/humanize/locale/eo/LC_MESSAGES/humanize.po
new file mode 100644
index 00000000..168cfd09
--- /dev/null
+++ b/src/humanize/locale/eo/LC_MESSAGES/humanize.po
@@ -0,0 +1,363 @@
+# Esperanto translations for PACKAGE package.
+# Copyright (C) 2023 THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# Adam Milner <carmiac@gmail.com>, 2023.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-05-02 10:46-0700\n"
+"PO-Revision-Date: 2023-05-02 10:50-0700\n"
+"Last-Translator: Adam Milner <carmiac@gmail.com>\n"
+"Language-Team: Esperanto <translation-team-eo@lists.sourceforge.net>\n"
+"Language: eo\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: src/humanize/number.py:84
+msgctxt "0 (male)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:85
+msgctxt "1 (male)"
+msgid "st"
+msgstr "-a"
+
+#: src/humanize/number.py:86
+msgctxt "2 (male)"
+msgid "nd"
+msgstr "-a"
+
+#: src/humanize/number.py:87
+msgctxt "3 (male)"
+msgid "rd"
+msgstr "-a"
+
+#: src/humanize/number.py:88
+msgctxt "4 (male)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:89
+msgctxt "5 (male)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:90
+msgctxt "6 (male)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:91
+msgctxt "7 (male)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:92
+msgctxt "8 (male)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:93
+msgctxt "9 (male)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:97
+msgctxt "0 (female)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:98
+msgctxt "1 (female)"
+msgid "st"
+msgstr "-a"
+
+#: src/humanize/number.py:99
+msgctxt "2 (female)"
+msgid "nd"
+msgstr "-a"
+
+#: src/humanize/number.py:100
+msgctxt "3 (female)"
+msgid "rd"
+msgstr "-a"
+
+#: src/humanize/number.py:101
+msgctxt "4 (female)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:102
+msgctxt "5 (female)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:103
+msgctxt "6 (female)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:104
+msgctxt "7 (female)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:105
+msgctxt "8 (female)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:106
+msgctxt "9 (female)"
+msgid "th"
+msgstr "-a"
+
+#: src/humanize/number.py:178
+msgid "thousand"
+msgid_plural "thousand"
+msgstr[0] "mil"
+msgstr[1] "mil"
+
+#: src/humanize/number.py:179
+msgid "million"
+msgid_plural "million"
+msgstr[0] "miliono"
+msgstr[1] "miliono"
+
+#: src/humanize/number.py:180
+msgid "billion"
+msgid_plural "billion"
+msgstr[0] "miliardo"
+msgstr[1] "miliardo"
+
+#: src/humanize/number.py:181
+msgid "trillion"
+msgid_plural "trillion"
+msgstr[0] "duiliono"
+msgstr[1] "duiliono"
+
+#: src/humanize/number.py:182
+msgid "quadrillion"
+msgid_plural "quadrillion"
+msgstr[0] "duiliardo"
+msgstr[1] "duiliardo"
+
+#: src/humanize/number.py:183
+msgid "quintillion"
+msgid_plural "quintillion"
+msgstr[0] "triiliono"
+msgstr[1] "triiliono"
+
+#: src/humanize/number.py:184
+msgid "sextillion"
+msgid_plural "sextillion"
+msgstr[0] "triiliardo"
+msgstr[1] "triiliardo"
+
+#: src/humanize/number.py:185
+msgid "septillion"
+msgid_plural "septillion"
+msgstr[0] "kvariliono"
+msgstr[1] "kvariliono"
+
+#: src/humanize/number.py:186
+msgid "octillion"
+msgid_plural "octillion"
+msgstr[0] "kvariliardo"
+msgstr[1] "kvariliardo"
+
+#: src/humanize/number.py:187
+msgid "nonillion"
+msgid_plural "nonillion"
+msgstr[0] "sesiliono"
+msgstr[1] "sesiliono"
+
+#: src/humanize/number.py:188
+msgid "decillion"
+msgid_plural "decillion"
+msgstr[0] "sesiliardo"
+msgstr[1] "sesiliardo"
+
+#: src/humanize/number.py:189
+msgid "googol"
+msgid_plural "googol"
+msgstr[0] "guglo"
+msgstr[1] "guglo"
+
+#: src/humanize/number.py:302
+msgid "zero"
+msgstr "nul"
+
+#: src/humanize/number.py:303
+msgid "one"
+msgstr "unu"
+
+#: src/humanize/number.py:304
+msgid "two"
+msgstr "du"
+
+#: src/humanize/number.py:305
+msgid "three"
+msgstr "tri"
+
+#: src/humanize/number.py:306
+msgid "four"
+msgstr "kvar"
+
+#: src/humanize/number.py:307
+msgid "five"
+msgstr "kvin"
+
+#: src/humanize/number.py:308
+msgid "six"
+msgstr "ses"
+
+#: src/humanize/number.py:309
+msgid "seven"
+msgstr "sep"
+
+#: src/humanize/number.py:310
+msgid "eight"
+msgstr "ok"
+
+#: src/humanize/number.py:311
+msgid "nine"
+msgstr "naŭ"
+
+#: src/humanize/time.py:152
+#, python-format
+msgid "%d microsecond"
+msgid_plural "%d microseconds"
+msgstr[0] ""
+msgstr[1] ""
+
+#: src/humanize/time.py:161
+#, python-format
+msgid "%d millisecond"
+msgid_plural "%d milliseconds"
+msgstr[0] "%d milisekundo"
+msgstr[1] "%d milisekundoj"
+
+#: src/humanize/time.py:164 src/humanize/time.py:263
+msgid "a moment"
+msgstr "momento"
+
+#: src/humanize/time.py:167
+msgid "a second"
+msgstr "sekundo"
+
+#: src/humanize/time.py:170
+#, python-format
+msgid "%d second"
+msgid_plural "%d seconds"
+msgstr[0] "%d sekundo"
+msgstr[1] "%d sekundoj"
+
+#: src/humanize/time.py:173
+msgid "a minute"
+msgstr "minuto"
+
+#: src/humanize/time.py:177
+#, python-format
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minuto"
+msgstr[1] "%d minutoj"
+
+#: src/humanize/time.py:180
+msgid "an hour"
+msgstr "horo"
+
+#: src/humanize/time.py:184
+#, python-format
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d horo"
+msgstr[1] "%d horoj"
+
+#: src/humanize/time.py:188
+msgid "a day"
+msgstr "tago"
+
+#: src/humanize/time.py:191 src/humanize/time.py:194
+#, python-format
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d tago"
+msgstr[1] "%d tagoj"
+
+#: src/humanize/time.py:197
+msgid "a month"
+msgstr "monato"
+
+#: src/humanize/time.py:199
+#, python-format
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d monato"
+msgstr[1] "%d monotoj"
+
+#: src/humanize/time.py:203
+msgid "a year"
+msgstr "jaro"
+
+#: src/humanize/time.py:206 src/humanize/time.py:217
+#, python-format
+msgid "1 year, %d day"
+msgid_plural "1 year, %d days"
+msgstr[0] "1 jaro, %d tago"
+msgstr[1] "1 jaro, %d tagoj"
+
+#: src/humanize/time.py:210
+msgid "1 year, 1 month"
+msgstr "1 jaro, 1 monato"
+
+#: src/humanize/time.py:213
+#, python-format
+msgid "1 year, %d month"
+msgid_plural "1 year, %d months"
+msgstr[0] "1 jaro, %d monato"
+msgstr[1] "1 jaro, %d monatoj"
+
+#: src/humanize/time.py:219
+#, python-format
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d jaro"
+msgstr[1] "%d jaroj"
+
+#: src/humanize/time.py:260
+#, python-format
+msgid "%s from now"
+msgstr "post %s"
+
+#: src/humanize/time.py:260
+#, python-format
+msgid "%s ago"
+msgstr "antaŭ %s"
+
+#: src/humanize/time.py:264
+msgid "now"
+msgstr "nun"
+
+#: src/humanize/time.py:288
+msgid "today"
+msgstr "hodiaŭ"
+
+#: src/humanize/time.py:291
+msgid "tomorrow"
+msgstr "morgaŭ"
+
+#: src/humanize/time.py:294
+msgid "yesterday"
+msgstr "hieraŭ"
+
+#: src/humanize/time.py:604
+#, python-format
+msgid "%s and %s"
+msgstr "%s kaj %s"