diff --git a/CHANGELOG.md b/CHANGELOG.md
index 796b512c..7f7339c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## 4.1.1 under development
 
+- New #277: Add `beforeCheckbox()` and `afterCheckbox()` methods to `CheckboxList`, and `beforeRadio()` and
+  `afterRadio()` methods to `RadioList` (@vjik)
 - New #276: Add `beforeInput()` and `afterInput()` methods to abstract `BooleanInputTag`, extended by `Radio`
   and `Checkbox` (@vjik)
 
diff --git a/src/Widget/CheckboxList/CheckboxList.php b/src/Widget/CheckboxList/CheckboxList.php
index 87a198f8..262dc6dc 100644
--- a/src/Widget/CheckboxList/CheckboxList.php
+++ b/src/Widget/CheckboxList/CheckboxList.php
@@ -28,6 +28,8 @@ final class CheckboxList implements NoEncodeStringableInterface
     private array $checkboxAttributes = [];
     private array $checkboxLabelAttributes = [];
     private bool $checkboxLabelWrap = true;
+    private string|Stringable $beforeCheckbox = '';
+    private string|Stringable $afterCheckbox = '';
 
     /**
      * @var array[]
@@ -164,6 +166,26 @@ public function checkboxLabelWrap(bool $wrap): self
         return $new;
     }
 
+    /**
+     * @param string|Stringable $content Content to be rendered before each checkbox input.
+     */
+    public function beforeCheckbox(string|Stringable $content): self
+    {
+        $new = clone $this;
+        $new->beforeCheckbox = $content;
+        return $new;
+    }
+
+    /**
+     * @param string|Stringable $content Content to be rendered after each checkbox input.
+     */
+    public function afterCheckbox(string|Stringable $content): self
+    {
+        $new = clone $this;
+        $new->afterCheckbox = $content;
+        return $new;
+    }
+
     /**
      * @param array[] $attributes
      */
@@ -365,7 +387,9 @@ private function formatItem(CheckboxItem $item): string
         $checkbox = Html::checkbox($item->name, $item->value, $item->checkboxAttributes)
             ->checked($item->checked)
             ->label($item->label, $item->labelAttributes, $item->labelWrap)
-            ->labelEncode($item->encodeLabel);
+            ->labelEncode($item->encodeLabel)
+            ->beforeInput($this->beforeCheckbox)
+            ->afterInput($this->afterCheckbox);
 
         return $checkbox->render();
     }
diff --git a/src/Widget/RadioList/RadioList.php b/src/Widget/RadioList/RadioList.php
index 6d5c6103..e091ab74 100644
--- a/src/Widget/RadioList/RadioList.php
+++ b/src/Widget/RadioList/RadioList.php
@@ -25,6 +25,8 @@ final class RadioList implements NoEncodeStringableInterface
     private array $radioAttributes = [];
     private array $radioLabelAttributes = [];
     private bool $radioLabelWrap = true;
+    private string|Stringable $beforeRadio = '';
+    private string|Stringable $afterRadio = '';
 
     /**
      * @var array[]
@@ -155,6 +157,26 @@ public function radioLabelWrap(bool $wrap): self
         return $new;
     }
 
+    /**
+     * @param string|Stringable $content Content to be rendered before each radio input.
+     */
+    public function beforeRadio(string|Stringable $content): self
+    {
+        $new = clone $this;
+        $new->beforeRadio = $content;
+        return $new;
+    }
+
+    /**
+     * @param string|Stringable $content Content to be rendered after each radio input.
+     */
+    public function afterRadio(string|Stringable $content): self
+    {
+        $new = clone $this;
+        $new->afterRadio = $content;
+        return $new;
+    }
+
     /**
      * @param array[] $attributes
      */
@@ -344,7 +366,9 @@ private function formatItem(RadioItem $item): string
         $radio = Html::radio($item->name, $item->value, $item->radioAttributes)
             ->checked($item->checked)
             ->label($item->label, $item->labelAttributes, $item->labelWrap)
-            ->labelEncode($item->encodeLabel);
+            ->labelEncode($item->encodeLabel)
+            ->beforeInput($this->beforeRadio)
+            ->afterInput($this->afterRadio);
 
         return $radio->render();
     }
diff --git a/tests/Widget/CheckboxListTest.php b/tests/Widget/CheckboxListTest.php
index 63130f47..be0730d1 100644
--- a/tests/Widget/CheckboxListTest.php
+++ b/tests/Widget/CheckboxListTest.php
@@ -7,8 +7,10 @@
 use ArrayObject;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
+use Stringable;
 use Yiisoft\Html\Html;
 use Yiisoft\Html\Tests\Objects\IterableObject;
+use Yiisoft\Html\Tests\Objects\StringableObject;
 use Yiisoft\Html\Tests\Support\IntegerEnum;
 use Yiisoft\Html\Tests\Support\StringEnum;
 use Yiisoft\Html\Widget\CheckboxList\CheckboxList;
@@ -194,6 +196,46 @@ public function testCheckboxLabelAttributesMerge(): void
         );
     }
 
+    public static function dataBeforeCheckbox(): iterable
+    {
+        yield ['<b>*</b>', '<b>*</b>'];
+        yield ['<b>*</b>', new StringableObject('<b>*</b>')];
+    }
+
+    #[DataProvider('dataBeforeCheckbox')]
+    public function testBeforeCheckbox(string $expected, string|Stringable $content): void
+    {
+        $this->assertSame(
+            '<label>' . $expected . '<input name="test[]" value="1" type="checkbox"> One</label>' . "\n"
+            . '<label>' . $expected . '<input name="test[]" value="2" type="checkbox"> Two</label>',
+            (new CheckboxList('test'))
+                ->items([1 => 'One', 2 => 'Two'])
+                ->beforeCheckbox($content)
+                ->withoutContainer()
+                ->render(),
+        );
+    }
+
+    public static function dataAfterCheckbox(): iterable
+    {
+        yield ['<b>!</b>', '<b>!</b>'];
+        yield ['<b>!</b>', new StringableObject('<b>!</b>')];
+    }
+
+    #[DataProvider('dataAfterCheckbox')]
+    public function testAfterCheckbox(string $expected, string|Stringable $content): void
+    {
+        $this->assertSame(
+            '<label><input name="test[]" value="1" type="checkbox">' . $expected . ' One</label>' . "\n"
+            . '<label><input name="test[]" value="2" type="checkbox">' . $expected . ' Two</label>',
+            (new CheckboxList('test'))
+                ->items([1 => 'One', 2 => 'Two'])
+                ->afterCheckbox($content)
+                ->withoutContainer()
+                ->render(),
+        );
+    }
+
     public function testAddIndividualInputAttributes(): void
     {
         $this->assertSame(
@@ -903,5 +945,7 @@ public function testImmutability(): void
         $this->assertNotSame($widget, $widget->uncheckValue(null));
         $this->assertNotSame($widget, $widget->separator(''));
         $this->assertNotSame($widget, $widget->itemFormatter(null));
+        $this->assertNotSame($widget, $widget->beforeCheckbox(''));
+        $this->assertNotSame($widget, $widget->afterCheckbox(''));
     }
 }
diff --git a/tests/Widget/RadioListTest.php b/tests/Widget/RadioListTest.php
index 2ddfa938..dee4b313 100644
--- a/tests/Widget/RadioListTest.php
+++ b/tests/Widget/RadioListTest.php
@@ -6,7 +6,9 @@
 
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
+use Stringable;
 use Yiisoft\Html\Html;
+use Yiisoft\Html\Tests\Objects\StringableObject;
 use Yiisoft\Html\Tests\Support\IntegerEnum;
 use Yiisoft\Html\Tests\Support\StringEnum;
 use Yiisoft\Html\Widget\RadioList\RadioItem;
@@ -832,6 +834,46 @@ public function testStringable(): void
         );
     }
 
+    public static function dataBeforeRadio(): iterable
+    {
+        yield ['<b>*</b>', '<b>*</b>'];
+        yield ['<b>*</b>', new StringableObject('<b>*</b>')];
+    }
+
+    #[DataProvider('dataBeforeRadio')]
+    public function testBeforeRadio(string $expected, string|Stringable $content): void
+    {
+        $this->assertSame(
+            '<label>' . $expected . '<input name="test" value="1" type="radio"> One</label>' . "\n"
+            . '<label>' . $expected . '<input name="test" value="2" type="radio"> Two</label>',
+            (new RadioList('test'))
+                ->items([1 => 'One', 2 => 'Two'])
+                ->beforeRadio($content)
+                ->withoutContainer()
+                ->render(),
+        );
+    }
+
+    public static function dataAfterRadio(): iterable
+    {
+        yield ['<b>!</b>', '<b>!</b>'];
+        yield ['<b>!</b>', new StringableObject('<b>!</b>')];
+    }
+
+    #[DataProvider('dataAfterRadio')]
+    public function testAfterRadio(string $expected, string|Stringable $content): void
+    {
+        $this->assertSame(
+            '<label><input name="test" value="1" type="radio">' . $expected . ' One</label>' . "\n"
+            . '<label><input name="test" value="2" type="radio">' . $expected . ' Two</label>',
+            (new RadioList('test'))
+                ->items([1 => 'One', 2 => 'Two'])
+                ->afterRadio($content)
+                ->withoutContainer()
+                ->render(),
+        );
+    }
+
     public function testImmutability(): void
     {
         $widget = new RadioList('test');
@@ -859,5 +901,7 @@ public function testImmutability(): void
         $this->assertNotSame($widget, $widget->uncheckValue(null));
         $this->assertNotSame($widget, $widget->separator(''));
         $this->assertNotSame($widget, $widget->itemFormatter(null));
+        $this->assertNotSame($widget, $widget->beforeRadio(''));
+        $this->assertNotSame($widget, $widget->afterRadio(''));
     }
 }