diff --git a/app/code/Magento/Captcha/view/frontend/templates/default.phtml b/app/code/Magento/Captcha/view/frontend/templates/default.phtml
index 980a78ff0f7c5..6c9a5fe85f596 100644
--- a/app/code/Magento/Captcha/view/frontend/templates/default.phtml
+++ b/app/code/Magento/Captcha/view/frontend/templates/default.phtml
@@ -14,7 +14,7 @@ $captcha = $block->getCaptchaModel();
 <div class="field captcha required" role="<?= $block->escapeHtmlAttr($block->getFormId()) ?>">
     <label for="captcha_<?= $block->escapeHtmlAttr($block->getFormId()) ?>" class="label"><span><?= $block->escapeHtml(__('Please type the letters and numbers below')) ?></span></label>
     <div class="control captcha">
-        <input name="<?= $block->escapeHtmlAttr(\Magento\Captcha\Helper\Data::INPUT_NAME_FIELD_VALUE) ?>[<?= $block->escapeHtmlAttr($block->getFormId()) ?>]" type="text" class="input-text required-entry" data-validate="{required:true}" id="captcha_<?= $block->escapeHtmlAttr($block->getFormId()) ?>" />
+        <input name="<?= $block->escapeHtmlAttr(\Magento\Captcha\Helper\Data::INPUT_NAME_FIELD_VALUE) ?>[<?= $block->escapeHtmlAttr($block->getFormId()) ?>]" type="text" class="input-text required-entry" data-validate="{required:true}" id="captcha_<?= $block->escapeHtmlAttr($block->getFormId()) ?>" autocomplete="off"/>
         <div class="nested">
             <div class="field captcha no-label"
                  data-captcha="<?= $block->escapeHtmlAttr($block->getFormId()) ?>"
diff --git a/app/code/Magento/Captcha/view/frontend/web/template/checkout/captcha.html b/app/code/Magento/Captcha/view/frontend/web/template/checkout/captcha.html
index 97c05249eb463..575b3ca6f732e 100644
--- a/app/code/Magento/Captcha/view/frontend/web/template/checkout/captcha.html
+++ b/app/code/Magento/Captcha/view/frontend/web/template/checkout/captcha.html
@@ -8,7 +8,7 @@
 <div class="field captcha required" data-bind="blockLoader: getIsLoading()">
     <label data-bind="attr: {for: 'captcha_' + formId}" class="label"><span data-bind="i18n: 'Please type the letters and numbers below'"></span></label>
     <div class="control captcha">
-        <input name="captcha_string" type="text" class="input-text required-entry" data-bind="value: captchaValue(), attr: {id: 'captcha_' + formId, 'data-scope': dataScope}" />
+        <input name="captcha_string" type="text" class="input-text required-entry" data-bind="value: captchaValue(), attr: {id: 'captcha_' + formId, 'data-scope': dataScope}" autocomplete="off"/>
         <input name="captcha_form_id" type="hidden" data-bind="value: formId,  attr: {'data-scope': dataScope}" />
         <div class="nested">
             <div class="field captcha no-label">