diff --git a/components/breadcrumb/BreadcrumbItem.tsx b/components/breadcrumb/BreadcrumbItem.tsx
index 14a3838705..9977d8682e 100644
--- a/components/breadcrumb/BreadcrumbItem.tsx
+++ b/components/breadcrumb/BreadcrumbItem.tsx
@@ -1,15 +1,15 @@
 import * as React from 'react';
 import DownOutlined from '@ant-design/icons/DownOutlined';
 
-import DropDown, { DropDownProps } from '../dropdown/dropdown';
+import Dropdown, { DropdownProps } from '../dropdown/dropdown';
 import { ConfigContext } from '../config-provider';
 
 export interface BreadcrumbItemProps {
   prefixCls?: string;
   separator?: React.ReactNode;
   href?: string;
-  overlay?: DropDownProps['overlay'];
-  dropdownProps?: DropDownProps;
+  overlay?: DropdownProps['overlay'];
+  dropdownProps?: DropdownProps;
   onClick?: React.MouseEventHandler<HTMLAnchorElement | HTMLSpanElement>;
   className?: string;
   children?: React.ReactNode;
@@ -27,16 +27,16 @@ const BreadcrumbItem: BreadcrumbItemInterface = ({
 }) => {
   const { getPrefixCls } = React.useContext(ConfigContext);
   const prefixCls = getPrefixCls('breadcrumb', customizePrefixCls);
-  /** If overlay is have Wrap a DropDown */
+  /** If overlay is have Wrap a Dropdown */
   const renderBreadcrumbNode = (breadcrumbItem: React.ReactNode) => {
     if (overlay) {
       return (
-        <DropDown overlay={overlay} placement="bottom" {...dropdownProps}>
+        <Dropdown overlay={overlay} placement="bottom" {...dropdownProps}>
           <span className={`${prefixCls}-overlay-link`}>
             {breadcrumbItem}
             <DownOutlined />
           </span>
-        </DropDown>
+        </Dropdown>
       );
     }
     return breadcrumbItem;
diff --git a/components/dropdown/dropdown-button.tsx b/components/dropdown/dropdown-button.tsx
index 010dff1cd1..373e641783 100644
--- a/components/dropdown/dropdown-button.tsx
+++ b/components/dropdown/dropdown-button.tsx
@@ -5,13 +5,13 @@ import Button, { ButtonProps } from '../button';
 import { ButtonHTMLType } from '../button/button';
 import { ButtonGroupProps } from '../button/button-group';
 import { ConfigContext } from '../config-provider';
-import Dropdown, { DropDownProps } from './dropdown';
+import Dropdown, { DropdownProps } from './dropdown';
 
 const ButtonGroup = Button.Group;
 
 export type DropdownButtonType = 'default' | 'primary' | 'ghost' | 'dashed' | 'link' | 'text';
 
-export interface DropdownButtonProps extends ButtonGroupProps, DropDownProps {
+export interface DropdownButtonProps extends ButtonGroupProps, DropdownProps {
   type?: DropdownButtonType;
   htmlType?: ButtonHTMLType;
   disabled?: boolean;
@@ -76,7 +76,7 @@ const DropdownButton: DropdownButtonInterface = props => {
     overlayClassName,
     overlayStyle,
     destroyPopupOnHide,
-  } as DropDownProps;
+  } as DropdownProps;
 
   if ('visible' in props) {
     dropdownProps.visible = visible;
diff --git a/components/dropdown/dropdown.tsx b/components/dropdown/dropdown.tsx
index 15b555b84e..217e0682f4 100644
--- a/components/dropdown/dropdown.tsx
+++ b/components/dropdown/dropdown.tsx
@@ -41,7 +41,7 @@ export type DropdownArrowOptions = {
   pointAtCenter?: boolean;
 };
 
-export interface DropDownProps {
+export interface DropdownProps {
   arrow?: boolean | DropdownArrowOptions;
   trigger?: ('click' | 'hover' | 'contextMenu')[];
   overlay: React.ReactElement | OverlayFunc;
@@ -64,7 +64,7 @@ export interface DropDownProps {
   children?: React.ReactNode;
 }
 
-interface DropdownInterface extends React.FC<DropDownProps> {
+interface DropdownInterface extends React.FC<DropdownProps> {
   Button: typeof DropdownButton;
 }
 
diff --git a/components/dropdown/index.tsx b/components/dropdown/index.tsx
index cd9278b430..65b29a3f66 100644
--- a/components/dropdown/index.tsx
+++ b/components/dropdown/index.tsx
@@ -1,5 +1,10 @@
 import Dropdown from './dropdown';
 
-export { DropDownProps } from './dropdown';
-export { DropdownButtonProps, DropdownButtonType } from './dropdown-button';
+export type {
+  DropdownProps,
+  // typo, but we need to support it for backwards compatibility
+  // https://github.com/ant-design/ant-design/pull/35161
+  DropdownProps as DropDownProps,
+} from './dropdown';
+export type { DropdownButtonProps, DropdownButtonType } from './dropdown-button';
 export default Dropdown;
diff --git a/components/index.tsx b/components/index.tsx
index 3915e62f22..f62bf9e05b 100644
--- a/components/index.tsx
+++ b/components/index.tsx
@@ -78,7 +78,12 @@ export { default as Descriptions } from './descriptions';
 export type { DividerProps } from './divider';
 export { default as Divider } from './divider';
 
-export type { DropDownProps } from './dropdown';
+export type {
+  DropdownProps,
+  // typo, but we need to support it for backwards compatibility
+  // https://github.com/ant-design/ant-design/pull/35161
+  DropdownProps as DropDownProps,
+} from './dropdown';
 export { default as Dropdown } from './dropdown';
 
 export type { DrawerProps } from './drawer';
diff --git a/components/select/index.tsx b/components/select/index.tsx
index 35c76c05ad..f43cd2d0bc 100755
--- a/components/select/index.tsx
+++ b/components/select/index.tsx
@@ -130,7 +130,7 @@ const InternalSelect = <OptionType extends BaseOptionType | DefaultOptionType =
 
   const selectProps = omit(props as typeof props & { itemIcon: any }, ['suffixIcon', 'itemIcon']);
 
-  const rcSelectRtlDropDownClassName = classNames(dropdownClassName, {
+  const rcSelectRtlDropdownClassName = classNames(dropdownClassName, {
     [`${prefixCls}-dropdown-${direction}`]: direction === 'rtl',
   });
 
@@ -181,7 +181,7 @@ const InternalSelect = <OptionType extends BaseOptionType | DefaultOptionType =
       notFoundContent={mergedNotFound}
       className={mergedClassName}
       getPopupContainer={getPopupContainer || getContextPopupContainer}
-      dropdownClassName={rcSelectRtlDropDownClassName}
+      dropdownClassName={rcSelectRtlDropdownClassName}
       showArrow={hasFeedback || showArrow}
     />
   );
diff --git a/components/table/__tests__/Table.filter.test.js b/components/table/__tests__/Table.filter.test.js
index 23fc1f97ce..310abaec5f 100644
--- a/components/table/__tests__/Table.filter.test.js
+++ b/components/table/__tests__/Table.filter.test.js
@@ -2198,7 +2198,7 @@ describe('Table.filter', () => {
     });
   });
 
-  it('filterDropDown should support filterResetToDefaultFilteredValue', () => {
+  it('filterDropdown should support filterResetToDefaultFilteredValue', () => {
     jest.useFakeTimers();
     jest.spyOn(console, 'error').mockImplementation(() => undefined);