diff --git a/.cpyskip.txt b/.cpyskip.txt
index cb96fcdbab9..fc8af8a86a4 100644
--- a/.cpyskip.txt
+++ b/.cpyskip.txt
@@ -69,6 +69,7 @@ icu4c/source/extra/uconv/samples/*
 icu4c/source/samples/layout/Sample.txt
 icu4c/source/samples/ucnv/data01.txt
 icu4c/source/samples/ufortune/resources/res-file-list.txt
+icu4c/source/test/fuzzer/*_seed_corpus.txt
 icu4c/source/test/testdata/ConverterSelectorTestUTF8.txt
 icu4c/source/test/testdata/encoded.utf16be
 icu4c/source/test/testdata/idna_conf.txt
diff --git a/icu4c/source/test/fuzzer/uloc_canonicalize_fuzzer_seed_corpus.txt b/icu4c/source/test/fuzzer/uloc_canonicalize_fuzzer_seed_corpus.txt
new file mode 100644
index 00000000000..0a8f47f893b
--- /dev/null
+++ b/icu4c/source/test/fuzzer/uloc_canonicalize_fuzzer_seed_corpus.txt
@@ -0,0 +1,30 @@
+sr-Cyrl-RS
+zz-UND
+de_DE
+De_dE
+en-US-u-islamcal
+zh-CN-a-myext-x-private
+en-a-myext-b-another
+de-419-DE
+a-DE
+ar-a-aaa-b-bbb-a-ccc
+sl-rozaj
+sl-rozaj-biske
+de-CH-1901
+sl-IT-nedis
+hy-Latn-IT-arevela
+az-Arab-x-AZE-derbend
+Completely bad text for locale, even includes spaces and interpunction.!?
+fr-u-nu-arabext
+de-u-nu-beng-nu-bali-nu-khmr
+fil-u-ca-buddhist
+zh-Hant-CN-u-nu-arabext-ca-islamicc
+ja-u-ca-japanese
+hr-HR-u-ca-roc
+1234
+AAAAaaaaaaaVVVV_-=+
+ja%-x-%e3
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diff --git a/icu4c/source/test/fuzzer/uloc_canonicalize_fuzzer_seed_corpus.zip b/icu4c/source/test/fuzzer/uloc_canonicalize_fuzzer_seed_corpus.zip
deleted file mode 100644
index 990d6dced86..00000000000
--- a/icu4c/source/test/fuzzer/uloc_canonicalize_fuzzer_seed_corpus.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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diff --git a/icu4c/source/test/fuzzer/uloc_for_language_tag_fuzzer_seed_corpus.txt b/icu4c/source/test/fuzzer/uloc_for_language_tag_fuzzer_seed_corpus.txt
new file mode 100644
index 00000000000..0a8f47f893b
--- /dev/null
+++ b/icu4c/source/test/fuzzer/uloc_for_language_tag_fuzzer_seed_corpus.txt
@@ -0,0 +1,30 @@
+sr-Cyrl-RS
+zz-UND
+de_DE
+De_dE
+en-US-u-islamcal
+zh-CN-a-myext-x-private
+en-a-myext-b-another
+de-419-DE
+a-DE
+ar-a-aaa-b-bbb-a-ccc
+sl-rozaj
+sl-rozaj-biske
+de-CH-1901
+sl-IT-nedis
+hy-Latn-IT-arevela
+az-Arab-x-AZE-derbend
+Completely bad text for locale, even includes spaces and interpunction.!?
+fr-u-nu-arabext
+de-u-nu-beng-nu-bali-nu-khmr
+fil-u-ca-buddhist
+zh-Hant-CN-u-nu-arabext-ca-islamicc
+ja-u-ca-japanese
+hr-HR-u-ca-roc
+1234
+AAAAaaaaaaaVVVV_-=+
+ja%-x-%e3
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diff --git a/icu4c/source/test/fuzzer/uloc_for_language_tag_fuzzer_seed_corpus.zip b/icu4c/source/test/fuzzer/uloc_for_language_tag_fuzzer_seed_corpus.zip
deleted file mode 100644
index 990d6dced86..00000000000
--- a/icu4c/source/test/fuzzer/uloc_for_language_tag_fuzzer_seed_corpus.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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diff --git a/icu4c/source/test/fuzzer/uloc_get_name_fuzzer_seed_corpus.txt b/icu4c/source/test/fuzzer/uloc_get_name_fuzzer_seed_corpus.txt
new file mode 100644
index 00000000000..0a8f47f893b
--- /dev/null
+++ b/icu4c/source/test/fuzzer/uloc_get_name_fuzzer_seed_corpus.txt
@@ -0,0 +1,30 @@
+sr-Cyrl-RS
+zz-UND
+de_DE
+De_dE
+en-US-u-islamcal
+zh-CN-a-myext-x-private
+en-a-myext-b-another
+de-419-DE
+a-DE
+ar-a-aaa-b-bbb-a-ccc
+sl-rozaj
+sl-rozaj-biske
+de-CH-1901
+sl-IT-nedis
+hy-Latn-IT-arevela
+az-Arab-x-AZE-derbend
+Completely bad text for locale, even includes spaces and interpunction.!?
+fr-u-nu-arabext
+de-u-nu-beng-nu-bali-nu-khmr
+fil-u-ca-buddhist
+zh-Hant-CN-u-nu-arabext-ca-islamicc
+ja-u-ca-japanese
+hr-HR-u-ca-roc
+1234
+AAAAaaaaaaaVVVV_-=+
+ja%-x-%e3
+yq-U-98x-M85E-9pE-85Y-8xU985YE-89xxUy-xEyq-U85Y-8xE8-q5Y-8xU-9xE
+UN-u-jTKMwi-a0q-aeae-KaG-aab-2aG2-36C-2uzeal-STqROK-U36-366-U86-83S-c3SZEC-SCG-1366-SG66-KMi-a0ae-qae-KaG-aab-1a3
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diff --git a/icu4c/source/test/fuzzer/uloc_get_name_fuzzer_seed_corpus.zip b/icu4c/source/test/fuzzer/uloc_get_name_fuzzer_seed_corpus.zip
deleted file mode 100644
index 990d6dced86..00000000000
--- a/icu4c/source/test/fuzzer/uloc_get_name_fuzzer_seed_corpus.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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diff --git a/icu4c/source/test/fuzzer/uloc_is_right_to_left_fuzzer_seed_corpus.txt b/icu4c/source/test/fuzzer/uloc_is_right_to_left_fuzzer_seed_corpus.txt
new file mode 100644
index 00000000000..0a8f47f893b
--- /dev/null
+++ b/icu4c/source/test/fuzzer/uloc_is_right_to_left_fuzzer_seed_corpus.txt
@@ -0,0 +1,30 @@
+sr-Cyrl-RS
+zz-UND
+de_DE
+De_dE
+en-US-u-islamcal
+zh-CN-a-myext-x-private
+en-a-myext-b-another
+de-419-DE
+a-DE
+ar-a-aaa-b-bbb-a-ccc
+sl-rozaj
+sl-rozaj-biske
+de-CH-1901
+sl-IT-nedis
+hy-Latn-IT-arevela
+az-Arab-x-AZE-derbend
+Completely bad text for locale, even includes spaces and interpunction.!?
+fr-u-nu-arabext
+de-u-nu-beng-nu-bali-nu-khmr
+fil-u-ca-buddhist
+zh-Hant-CN-u-nu-arabext-ca-islamicc
+ja-u-ca-japanese
+hr-HR-u-ca-roc
+1234
+AAAAaaaaaaaVVVV_-=+
+ja%-x-%e3
+yq-U-98x-M85E-9pE-85Y-8xU985YE-89xxUy-xEyq-U85Y-8xE8-q5Y-8xU-9xE
+UN-u-jTKMwi-a0q-aeae-KaG-aab-2aG2-36C-2uzeal-STqROK-U36-366-U86-83S-c3SZEC-SCG-1366-SG66-KMi-a0ae-qae-KaG-aab-1a3
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diff --git a/icu4c/source/test/fuzzer/uloc_is_right_to_left_fuzzer_seed_corpus.zip b/icu4c/source/test/fuzzer/uloc_is_right_to_left_fuzzer_seed_corpus.zip
deleted file mode 100644
index 990d6dced86..00000000000
--- a/icu4c/source/test/fuzzer/uloc_is_right_to_left_fuzzer_seed_corpus.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:cf5c0deef267ac7f6857d3c2b95644d74266dc3ec9de6461572469b4c1e15a07
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diff --git a/icu4c/source/test/fuzzer/uloc_open_keywords_fuzzer_seed_corpus.txt b/icu4c/source/test/fuzzer/uloc_open_keywords_fuzzer_seed_corpus.txt
new file mode 100644
index 00000000000..0a8f47f893b
--- /dev/null
+++ b/icu4c/source/test/fuzzer/uloc_open_keywords_fuzzer_seed_corpus.txt
@@ -0,0 +1,30 @@
+sr-Cyrl-RS
+zz-UND
+de_DE
+De_dE
+en-US-u-islamcal
+zh-CN-a-myext-x-private
+en-a-myext-b-another
+de-419-DE
+a-DE
+ar-a-aaa-b-bbb-a-ccc
+sl-rozaj
+sl-rozaj-biske
+de-CH-1901
+sl-IT-nedis
+hy-Latn-IT-arevela
+az-Arab-x-AZE-derbend
+Completely bad text for locale, even includes spaces and interpunction.!?
+fr-u-nu-arabext
+de-u-nu-beng-nu-bali-nu-khmr
+fil-u-ca-buddhist
+zh-Hant-CN-u-nu-arabext-ca-islamicc
+ja-u-ca-japanese
+hr-HR-u-ca-roc
+1234
+AAAAaaaaaaaVVVV_-=+
+ja%-x-%e3
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diff --git a/icu4c/source/test/fuzzer/uloc_open_keywords_seed_fuzzer_corpus.zip b/icu4c/source/test/fuzzer/uloc_open_keywords_seed_fuzzer_corpus.zip
deleted file mode 100644
index 990d6dced86..00000000000
--- a/icu4c/source/test/fuzzer/uloc_open_keywords_seed_fuzzer_corpus.zip
+++ /dev/null
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